Home / 17,915.40-26,755.89-15,254.52

Finding the Fourth Proportional to 17,915.40, 26,755.89 and 15,254.52

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Solution

The fourth proportional to 17,915.40, 26,755.89 and 15,254.52 is: 22,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.40 : 26,755.89 = 15,254.52 : x
  2. Step 2: Convert to fraction form
    17,915.40/26,755.89 = 15,254.52/x
  3. Step 3: Cross multiply
    17,915.40x = 26,755.89 × 15,254.52
  4. Step 4: Simplify right side
    17,915.40x = 408,148,259.12
  5. Step 5: Solve for x
    x = 408,148,259.12/17,915.40
  6. Step 6: Final answer
    x = 22,781.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.