Home / 28,810.13-39,757.97-15,562.13

Finding the Fourth Proportional to 28,810.13, 39,757.97 and 15,562.13

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Solution

The fourth proportional to 28,810.13, 39,757.97 and 15,562.13 is: 21,475.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810.13 : 39,757.97 = 15,562.13 : x
  2. Step 2: Convert to fraction form
    28,810.13/39,757.97 = 15,562.13/x
  3. Step 3: Cross multiply
    28,810.13x = 39,757.97 × 15,562.13
  4. Step 4: Simplify right side
    28,810.13x = 618,718,537.79
  5. Step 5: Solve for x
    x = 618,718,537.79/28,810.13
  6. Step 6: Final answer
    x = 21,475.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.