Home / 27,915.85-38,522.60-17,306.47

Finding the Fourth Proportional to 27,915.85, 38,522.60 and 17,306.47

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Solution

The fourth proportional to 27,915.85, 38,522.60 and 17,306.47 is: 23,882.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.85 : 38,522.60 = 17,306.47 : x
  2. Step 2: Convert to fraction form
    27,915.85/38,522.60 = 17,306.47/x
  3. Step 3: Cross multiply
    27,915.85x = 38,522.60 × 17,306.47
  4. Step 4: Simplify right side
    27,915.85x = 666,690,028.61
  5. Step 5: Solve for x
    x = 666,690,028.61/27,915.85
  6. Step 6: Final answer
    x = 23,882.14

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1.5x scale

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.