Home / 21,345.66-32,023.62-15,117.71

Finding the Fourth Proportional to 21,345.66, 32,023.62 and 15,117.71

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Solution

The fourth proportional to 21,345.66, 32,023.62 and 15,117.71 is: 22,680.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345.66 : 32,023.62 = 15,117.71 : x
  2. Step 2: Convert to fraction form
    21,345.66/32,023.62 = 15,117.71/x
  3. Step 3: Cross multiply
    21,345.66x = 32,023.62 × 15,117.71
  4. Step 4: Simplify right side
    21,345.66x = 484,123,640.19
  5. Step 5: Solve for x
    x = 484,123,640.19/21,345.66
  6. Step 6: Final answer
    x = 22,680.19

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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.