Home / 42,588.12-63,879.20-15,929.04

Finding the Fourth Proportional to 42,588.12, 63,879.20 and 15,929.04

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Solution

The fourth proportional to 42,588.12, 63,879.20 and 15,929.04 is: 23,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,588.12 : 63,879.20 = 15,929.04 : x
  2. Step 2: Convert to fraction form
    42,588.12/63,879.20 = 15,929.04/x
  3. Step 3: Cross multiply
    42,588.12x = 63,879.20 × 15,929.04
  4. Step 4: Simplify right side
    42,588.12x = 1,017,534,331.97
  5. Step 5: Solve for x
    x = 1,017,534,331.97/42,588.12
  6. Step 6: Final answer
    x = 23,892.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.