Home / 25,651.18-38,488.95-17,765.83

Finding the Fourth Proportional to 25,651.18, 38,488.95 and 17,765.83

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Solution

The fourth proportional to 25,651.18, 38,488.95 and 17,765.83 is: 26,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.18 : 38,488.95 = 17,765.83 : x
  2. Step 2: Convert to fraction form
    25,651.18/38,488.95 = 17,765.83/x
  3. Step 3: Cross multiply
    25,651.18x = 38,488.95 × 17,765.83
  4. Step 4: Simplify right side
    25,651.18x = 683,788,046.36
  5. Step 5: Solve for x
    x = 683,788,046.36/25,651.18
  6. Step 6: Final answer
    x = 26,657.18

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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.