Home / 27,985.40-41,951.71-13,932.13

Finding the Fourth Proportional to 27,985.40, 41,951.71 and 13,932.13

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Solution

The fourth proportional to 27,985.40, 41,951.71 and 13,932.13 is: 20,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.40 : 41,951.71 = 13,932.13 : x
  2. Step 2: Convert to fraction form
    27,985.40/41,951.71 = 13,932.13/x
  3. Step 3: Cross multiply
    27,985.40x = 41,951.71 × 13,932.13
  4. Step 4: Simplify right side
    27,985.40x = 584,476,677.44
  5. Step 5: Solve for x
    x = 584,476,677.44/27,985.40
  6. Step 6: Final answer
    x = 20,885.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.