Home / 28,290.60-42,419.70-25,092.72

Finding the Fourth Proportional to 28,290.60, 42,419.70 and 25,092.72

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Solution

The fourth proportional to 28,290.60, 42,419.70 and 25,092.72 is: 37,624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290.60 : 42,419.70 = 25,092.72 : x
  2. Step 2: Convert to fraction form
    28,290.60/42,419.70 = 25,092.72/x
  3. Step 3: Cross multiply
    28,290.60x = 42,419.70 × 25,092.72
  4. Step 4: Simplify right side
    28,290.60x = 1,064,425,654.58
  5. Step 5: Solve for x
    x = 1,064,425,654.58/28,290.60
  6. Step 6: Final answer
    x = 37,624.71

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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.