Home / 27,931.13-41,885.76-10,391.39

Finding the Fourth Proportional to 27,931.13, 41,885.76 and 10,391.39

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Solution

The fourth proportional to 27,931.13, 41,885.76 and 10,391.39 is: 15,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.13 : 41,885.76 = 10,391.39 : x
  2. Step 2: Convert to fraction form
    27,931.13/41,885.76 = 10,391.39/x
  3. Step 3: Cross multiply
    27,931.13x = 41,885.76 × 10,391.39
  4. Step 4: Simplify right side
    27,931.13x = 435,251,267.61
  5. Step 5: Solve for x
    x = 435,251,267.61/27,931.13
  6. Step 6: Final answer
    x = 15,583.02

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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.