Home / 20,717.17-28,600.51-16,170.08

Finding the Fourth Proportional to 20,717.17, 28,600.51 and 16,170.08

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Solution

The fourth proportional to 20,717.17, 28,600.51 and 16,170.08 is: 22,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717.17 : 28,600.51 = 16,170.08 : x
  2. Step 2: Convert to fraction form
    20,717.17/28,600.51 = 16,170.08/x
  3. Step 3: Cross multiply
    20,717.17x = 28,600.51 × 16,170.08
  4. Step 4: Simplify right side
    20,717.17x = 462,472,534.74
  5. Step 5: Solve for x
    x = 462,472,534.74/20,717.17
  6. Step 6: Final answer
    x = 22,323.15

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1.5x scale

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.