Home / 28,053.18-38,712.24-15,477.92

Finding the Fourth Proportional to 28,053.18, 38,712.24 and 15,477.92

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Solution

The fourth proportional to 28,053.18, 38,712.24 and 15,477.92 is: 21,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.18 : 38,712.24 = 15,477.92 : x
  2. Step 2: Convert to fraction form
    28,053.18/38,712.24 = 15,477.92/x
  3. Step 3: Cross multiply
    28,053.18x = 38,712.24 × 15,477.92
  4. Step 4: Simplify right side
    28,053.18x = 599,184,953.74
  5. Step 5: Solve for x
    x = 599,184,953.74/28,053.18
  6. Step 6: Final answer
    x = 21,358.90

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Find fourth proportional to 14,026.59, 19,356.12 and 7,738.96
Half scale
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Double scale
Find fourth proportional to 28,054.18, 38,713.62 and 15,478.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.