Home / 25,098.90-37,646.31-8,458.58

Finding the Fourth Proportional to 25,098.90, 37,646.31 and 8,458.58

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Solution

The fourth proportional to 25,098.90, 37,646.31 and 8,458.58 is: 12,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,098.90 : 37,646.31 = 8,458.58 : x
  2. Step 2: Convert to fraction form
    25,098.90/37,646.31 = 8,458.58/x
  3. Step 3: Cross multiply
    25,098.90x = 37,646.31 × 8,458.58
  4. Step 4: Simplify right side
    25,098.90x = 318,434,136.61
  5. Step 5: Solve for x
    x = 318,434,136.61/25,098.90
  6. Step 6: Final answer
    x = 12,687.18

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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.