Home / 25,915.31-35,764.94-14,585.90

Finding the Fourth Proportional to 25,915.31, 35,764.94 and 14,585.90

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Solution

The fourth proportional to 25,915.31, 35,764.94 and 14,585.90 is: 20,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,915.31 : 35,764.94 = 14,585.90 : x
  2. Step 2: Convert to fraction form
    25,915.31/35,764.94 = 14,585.90/x
  3. Step 3: Cross multiply
    25,915.31x = 35,764.94 × 14,585.90
  4. Step 4: Simplify right side
    25,915.31x = 521,663,586.59
  5. Step 5: Solve for x
    x = 521,663,586.59/25,915.31
  6. Step 6: Final answer
    x = 20,129.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.