Home / 28,306.32-42,452.19-11,671.08

Finding the Fourth Proportional to 28,306.32, 42,452.19 and 11,671.08

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Solution

The fourth proportional to 28,306.32, 42,452.19 and 11,671.08 is: 17,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.32 : 42,452.19 = 11,671.08 : x
  2. Step 2: Convert to fraction form
    28,306.32/42,452.19 = 11,671.08/x
  3. Step 3: Cross multiply
    28,306.32x = 42,452.19 × 11,671.08
  4. Step 4: Simplify right side
    28,306.32x = 495,462,905.67
  5. Step 5: Solve for x
    x = 495,462,905.67/28,306.32
  6. Step 6: Final answer
    x = 17,503.61

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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.