Home / 28,340.91-39,108.75-15,593.63

Finding the Fourth Proportional to 28,340.91, 39,108.75 and 15,593.63

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Solution

The fourth proportional to 28,340.91, 39,108.75 and 15,593.63 is: 21,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340.91 : 39,108.75 = 15,593.63 : x
  2. Step 2: Convert to fraction form
    28,340.91/39,108.75 = 15,593.63/x
  3. Step 3: Cross multiply
    28,340.91x = 39,108.75 × 15,593.63
  4. Step 4: Simplify right side
    28,340.91x = 609,847,181.72
  5. Step 5: Solve for x
    x = 609,847,181.72/28,340.91
  6. Step 6: Final answer
    x = 21,518.26

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Half scale
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Double scale
Find fourth proportional to 28,341.91, 39,110.13 and 15,594.63
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.