Home / 28,497.42-42,760.17-13,718.70

Finding the Fourth Proportional to 28,497.42, 42,760.17 and 13,718.70

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Solution

The fourth proportional to 28,497.42, 42,760.17 and 13,718.70 is: 20,584.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497.42 : 42,760.17 = 13,718.70 : x
  2. Step 2: Convert to fraction form
    28,497.42/42,760.17 = 13,718.70/x
  3. Step 3: Cross multiply
    28,497.42x = 42,760.17 × 13,718.70
  4. Step 4: Simplify right side
    28,497.42x = 586,613,944.18
  5. Step 5: Solve for x
    x = 586,613,944.18/28,497.42
  6. Step 6: Final answer
    x = 20,584.81

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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.