Home / 28,233.59-42,343.50-9,508.76

Finding the Fourth Proportional to 28,233.59, 42,343.50 and 9,508.76

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Solution

The fourth proportional to 28,233.59, 42,343.50 and 9,508.76 is: 14,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.59 : 42,343.50 = 9,508.76 : x
  2. Step 2: Convert to fraction form
    28,233.59/42,343.50 = 9,508.76/x
  3. Step 3: Cross multiply
    28,233.59x = 42,343.50 × 9,508.76
  4. Step 4: Simplify right side
    28,233.59x = 402,633,967.34
  5. Step 5: Solve for x
    x = 402,633,967.34/28,233.59
  6. Step 6: Final answer
    x = 14,260.81

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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.