Home / 28,988.17-40,002.52-16,412.92

Finding the Fourth Proportional to 28,988.17, 40,002.52 and 16,412.92

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Solution

The fourth proportional to 28,988.17, 40,002.52 and 16,412.92 is: 22,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988.17 : 40,002.52 = 16,412.92 : x
  2. Step 2: Convert to fraction form
    28,988.17/40,002.52 = 16,412.92/x
  3. Step 3: Cross multiply
    28,988.17x = 40,002.52 × 16,412.92
  4. Step 4: Simplify right side
    28,988.17x = 656,558,160.56
  5. Step 5: Solve for x
    x = 656,558,160.56/28,988.17
  6. Step 6: Final answer
    x = 22,649.18

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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.