Home / 28,168.35-38,872.27-15,593.10

Finding the Fourth Proportional to 28,168.35, 38,872.27 and 15,593.10

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Solution

The fourth proportional to 28,168.35, 38,872.27 and 15,593.10 is: 21,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,168.35 : 38,872.27 = 15,593.10 : x
  2. Step 2: Convert to fraction form
    28,168.35/38,872.27 = 15,593.10/x
  3. Step 3: Cross multiply
    28,168.35x = 38,872.27 × 15,593.10
  4. Step 4: Simplify right side
    28,168.35x = 606,139,193.34
  5. Step 5: Solve for x
    x = 606,139,193.34/28,168.35
  6. Step 6: Final answer
    x = 21,518.45

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Half scale
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Double scale
Find fourth proportional to 28,169.35, 38,873.65 and 15,594.10
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.