Home / 25,849.71-38,774.76-14,156.55

Finding the Fourth Proportional to 25,849.71, 38,774.76 and 14,156.55

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Solution

The fourth proportional to 25,849.71, 38,774.76 and 14,156.55 is: 21,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,849.71 : 38,774.76 = 14,156.55 : x
  2. Step 2: Convert to fraction form
    25,849.71/38,774.76 = 14,156.55/x
  3. Step 3: Cross multiply
    25,849.71x = 38,774.76 × 14,156.55
  4. Step 4: Simplify right side
    25,849.71x = 548,916,564.02
  5. Step 5: Solve for x
    x = 548,916,564.02/25,849.71
  6. Step 6: Final answer
    x = 21,234.93

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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.