Home / 21,854.67-32,799.14-15,237.78

Finding the Fourth Proportional to 21,854.67, 32,799.14 and 15,237.78

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Solution

The fourth proportional to 21,854.67, 32,799.14 and 15,237.78 is: 22,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854.67 : 32,799.14 = 15,237.78 : x
  2. Step 2: Convert to fraction form
    21,854.67/32,799.14 = 15,237.78/x
  3. Step 3: Cross multiply
    21,854.67x = 32,799.14 × 15,237.78
  4. Step 4: Simplify right side
    21,854.67x = 499,786,079.51
  5. Step 5: Solve for x
    x = 499,786,079.51/21,854.67
  6. Step 6: Final answer
    x = 22,868.62

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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.