Home / 28,086.17-42,115.17-9,359.63

Finding the Fourth Proportional to 28,086.17, 42,115.17 and 9,359.63

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Solution

The fourth proportional to 28,086.17, 42,115.17 and 9,359.63 is: 14,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086.17 : 42,115.17 = 9,359.63 : x
  2. Step 2: Convert to fraction form
    28,086.17/42,115.17 = 9,359.63/x
  3. Step 3: Cross multiply
    28,086.17x = 42,115.17 × 9,359.63
  4. Step 4: Simplify right side
    28,086.17x = 394,182,408.59
  5. Step 5: Solve for x
    x = 394,182,408.59/28,086.17
  6. Step 6: Final answer
    x = 14,034.75

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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.