Home / 23,129.15-34,715.49-21,865.14

Finding the Fourth Proportional to 23,129.15, 34,715.49 and 21,865.14

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Solution

The fourth proportional to 23,129.15, 34,715.49 and 21,865.14 is: 32,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,129.15 : 34,715.49 = 21,865.14 : x
  2. Step 2: Convert to fraction form
    23,129.15/34,715.49 = 21,865.14/x
  3. Step 3: Cross multiply
    23,129.15x = 34,715.49 × 21,865.14
  4. Step 4: Simplify right side
    23,129.15x = 759,059,049.02
  5. Step 5: Solve for x
    x = 759,059,049.02/23,129.15
  6. Step 6: Final answer
    x = 32,818.29

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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.