Home / 28,534.73-42,793.11-11,890.44

Finding the Fourth Proportional to 28,534.73, 42,793.11 and 11,890.44

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Solution

The fourth proportional to 28,534.73, 42,793.11 and 11,890.44 is: 17,831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534.73 : 42,793.11 = 11,890.44 : x
  2. Step 2: Convert to fraction form
    28,534.73/42,793.11 = 11,890.44/x
  3. Step 3: Cross multiply
    28,534.73x = 42,793.11 × 11,890.44
  4. Step 4: Simplify right side
    28,534.73x = 508,828,906.87
  5. Step 5: Solve for x
    x = 508,828,906.87/28,534.73
  6. Step 6: Final answer
    x = 17,831.92

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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.