Home / 21,865.52-32,791.87-10,012.59

Finding the Fourth Proportional to 21,865.52, 32,791.87 and 10,012.59

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Solution

The fourth proportional to 21,865.52, 32,791.87 and 10,012.59 is: 15,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,865.52 : 32,791.87 = 10,012.59 : x
  2. Step 2: Convert to fraction form
    21,865.52/32,791.87 = 10,012.59/x
  3. Step 3: Cross multiply
    21,865.52x = 32,791.87 × 10,012.59
  4. Step 4: Simplify right side
    21,865.52x = 328,331,549.64
  5. Step 5: Solve for x
    x = 328,331,549.64/21,865.52
  6. Step 6: Final answer
    x = 15,015.95

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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.