Home / 47,278.73-65,254.33-28,169.70

Finding the Fourth Proportional to 47,278.73, 65,254.33 and 28,169.70

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Solution

The fourth proportional to 47,278.73, 65,254.33 and 28,169.70 is: 38,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,278.73 : 65,254.33 = 28,169.70 : x
  2. Step 2: Convert to fraction form
    47,278.73/65,254.33 = 28,169.70/x
  3. Step 3: Cross multiply
    47,278.73x = 65,254.33 × 28,169.70
  4. Step 4: Simplify right side
    47,278.73x = 1,838,194,774.80
  5. Step 5: Solve for x
    x = 1,838,194,774.80/47,278.73
  6. Step 6: Final answer
    x = 38,879.96

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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.