Home / 47,290.11-65,257.15-28,171.27

Finding the Fourth Proportional to 47,290.11, 65,257.15 and 28,171.27

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Solution

The fourth proportional to 47,290.11, 65,257.15 and 28,171.27 is: 38,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,290.11 : 65,257.15 = 28,171.27 : x
  2. Step 2: Convert to fraction form
    47,290.11/65,257.15 = 28,171.27/x
  3. Step 3: Cross multiply
    47,290.11x = 65,257.15 × 28,171.27
  4. Step 4: Simplify right side
    47,290.11x = 1,838,376,792.08
  5. Step 5: Solve for x
    x = 1,838,376,792.08/47,290.11
  6. Step 6: Final answer
    x = 38,874.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.