Home / 27,923.90-38,534.55-15,348.38

Finding the Fourth Proportional to 27,923.90, 38,534.55 and 15,348.38

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Solution

The fourth proportional to 27,923.90, 38,534.55 and 15,348.38 is: 21,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.90 : 38,534.55 = 15,348.38 : x
  2. Step 2: Convert to fraction form
    27,923.90/38,534.55 = 15,348.38/x
  3. Step 3: Cross multiply
    27,923.90x = 38,534.55 × 15,348.38
  4. Step 4: Simplify right side
    27,923.90x = 591,442,916.53
  5. Step 5: Solve for x
    x = 591,442,916.53/27,923.90
  6. Step 6: Final answer
    x = 21,180.53

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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.