Home / 28,245.60-38,974.52-16,306.63

Finding the Fourth Proportional to 28,245.60, 38,974.52 and 16,306.63

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Solution

The fourth proportional to 28,245.60, 38,974.52 and 16,306.63 is: 22,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.60 : 38,974.52 = 16,306.63 : x
  2. Step 2: Convert to fraction form
    28,245.60/38,974.52 = 16,306.63/x
  3. Step 3: Cross multiply
    28,245.60x = 38,974.52 × 16,306.63
  4. Step 4: Simplify right side
    28,245.60x = 635,543,077.07
  5. Step 5: Solve for x
    x = 635,543,077.07/28,245.60
  6. Step 6: Final answer
    x = 22,500.60

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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.