Home / 25,555.52-38,321.15-8,913.53

Finding the Fourth Proportional to 25,555.52, 38,321.15 and 8,913.53

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Solution

The fourth proportional to 25,555.52, 38,321.15 and 8,913.53 is: 13,366.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.52 : 38,321.15 = 8,913.53 : x
  2. Step 2: Convert to fraction form
    25,555.52/38,321.15 = 8,913.53/x
  3. Step 3: Cross multiply
    25,555.52x = 38,321.15 × 8,913.53
  4. Step 4: Simplify right side
    25,555.52x = 341,576,483.99
  5. Step 5: Solve for x
    x = 341,576,483.99/25,555.52
  6. Step 6: Final answer
    x = 13,366.06

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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.