Home / 67,727.40-101,565.96-28,287.16

Finding the Fourth Proportional to 67,727.40, 101,565.96 and 28,287.16

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Solution

The fourth proportional to 67,727.40, 101,565.96 and 28,287.16 is: 42,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,727.40 : 101,565.96 = 28,287.16 : x
  2. Step 2: Convert to fraction form
    67,727.40/101,565.96 = 28,287.16/x
  3. Step 3: Cross multiply
    67,727.40x = 101,565.96 × 28,287.16
  4. Step 4: Simplify right side
    67,727.40x = 2,873,012,561.07
  5. Step 5: Solve for x
    x = 2,873,012,561.07/67,727.40
  6. Step 6: Final answer
    x = 42,420.24

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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.