Home / 21,351.64-32,001.54-15,113.48

Finding the Fourth Proportional to 21,351.64, 32,001.54 and 15,113.48

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Solution

The fourth proportional to 21,351.64, 32,001.54 and 15,113.48 is: 22,651.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351.64 : 32,001.54 = 15,113.48 : x
  2. Step 2: Convert to fraction form
    21,351.64/32,001.54 = 15,113.48/x
  3. Step 3: Cross multiply
    21,351.64x = 32,001.54 × 15,113.48
  4. Step 4: Simplify right side
    21,351.64x = 483,654,634.76
  5. Step 5: Solve for x
    x = 483,654,634.76/21,351.64
  6. Step 6: Final answer
    x = 22,651.87

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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.