Home / 29,080.28-40,132.86-16,505.84

Finding the Fourth Proportional to 29,080.28, 40,132.86 and 16,505.84

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Solution

The fourth proportional to 29,080.28, 40,132.86 and 16,505.84 is: 22,779.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,080.28 : 40,132.86 = 16,505.84 : x
  2. Step 2: Convert to fraction form
    29,080.28/40,132.86 = 16,505.84/x
  3. Step 3: Cross multiply
    29,080.28x = 40,132.86 × 16,505.84
  4. Step 4: Simplify right side
    29,080.28x = 662,426,565.90
  5. Step 5: Solve for x
    x = 662,426,565.90/29,080.28
  6. Step 6: Final answer
    x = 22,779.24

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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.