Home / 25,331.02-38,007.46-13,641.90

Finding the Fourth Proportional to 25,331.02, 38,007.46 and 13,641.90

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Solution

The fourth proportional to 25,331.02, 38,007.46 and 13,641.90 is: 20,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331.02 : 38,007.46 = 13,641.90 : x
  2. Step 2: Convert to fraction form
    25,331.02/38,007.46 = 13,641.90/x
  3. Step 3: Cross multiply
    25,331.02x = 38,007.46 × 13,641.90
  4. Step 4: Simplify right side
    25,331.02x = 518,493,968.57
  5. Step 5: Solve for x
    x = 518,493,968.57/25,331.02
  6. Step 6: Final answer
    x = 20,468.74

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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.