Home / 28,233.79-42,339.92-9,508.80

Finding the Fourth Proportional to 28,233.79, 42,339.92 and 9,508.80

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Solution

The fourth proportional to 28,233.79, 42,339.92 and 9,508.80 is: 14,259.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.79 : 42,339.92 = 9,508.80 : x
  2. Step 2: Convert to fraction form
    28,233.79/42,339.92 = 9,508.80/x
  3. Step 3: Cross multiply
    28,233.79x = 42,339.92 × 9,508.80
  4. Step 4: Simplify right side
    28,233.79x = 402,601,942.53
  5. Step 5: Solve for x
    x = 402,601,942.53/28,233.79
  6. Step 6: Final answer
    x = 14,259.58

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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.