Home / 25,810.90-38,618.52-15,286.57

Finding the Fourth Proportional to 25,810.90, 38,618.52 and 15,286.57

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Solution

The fourth proportional to 25,810.90, 38,618.52 and 15,286.57 is: 22,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.90 : 38,618.52 = 15,286.57 : x
  2. Step 2: Convert to fraction form
    25,810.90/38,618.52 = 15,286.57/x
  3. Step 3: Cross multiply
    25,810.90x = 38,618.52 × 15,286.57
  4. Step 4: Simplify right side
    25,810.90x = 590,344,858.62
  5. Step 5: Solve for x
    x = 590,344,858.62/25,810.90
  6. Step 6: Final answer
    x = 22,871.92

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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.