Home / 38,639.95-57,926.40-17,276.43

Finding the Fourth Proportional to 38,639.95, 57,926.40 and 17,276.43

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Solution

The fourth proportional to 38,639.95, 57,926.40 and 17,276.43 is: 25,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639.95 : 57,926.40 = 17,276.43 : x
  2. Step 2: Convert to fraction form
    38,639.95/57,926.40 = 17,276.43/x
  3. Step 3: Cross multiply
    38,639.95x = 57,926.40 × 17,276.43
  4. Step 4: Simplify right side
    38,639.95x = 1,000,761,394.75
  5. Step 5: Solve for x
    x = 1,000,761,394.75/38,639.95
  6. Step 6: Final answer
    x = 25,899.66

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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.