Home / 27,040.12-37,307.10-21,375.88

Finding the Fourth Proportional to 27,040.12, 37,307.10 and 21,375.88

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Solution

The fourth proportional to 27,040.12, 37,307.10 and 21,375.88 is: 29,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,040.12 : 37,307.10 = 21,375.88 : x
  2. Step 2: Convert to fraction form
    27,040.12/37,307.10 = 21,375.88/x
  3. Step 3: Cross multiply
    27,040.12x = 37,307.10 × 21,375.88
  4. Step 4: Simplify right side
    27,040.12x = 797,472,092.75
  5. Step 5: Solve for x
    x = 797,472,092.75/27,040.12
  6. Step 6: Final answer
    x = 29,492.18

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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.