Home / 19,439.80-29,152.46-15,287.92

Finding the Fourth Proportional to 19,439.80, 29,152.46 and 15,287.92

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Solution

The fourth proportional to 19,439.80, 29,152.46 and 15,287.92 is: 22,926.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.80 : 29,152.46 = 15,287.92 : x
  2. Step 2: Convert to fraction form
    19,439.80/29,152.46 = 15,287.92/x
  3. Step 3: Cross multiply
    19,439.80x = 29,152.46 × 15,287.92
  4. Step 4: Simplify right side
    19,439.80x = 445,680,476.28
  5. Step 5: Solve for x
    x = 445,680,476.28/19,439.80
  6. Step 6: Final answer
    x = 22,926.19

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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.