Home / 27,988.48-41,981.28-10,456.93

Finding the Fourth Proportional to 27,988.48, 41,981.28 and 10,456.93

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Solution

The fourth proportional to 27,988.48, 41,981.28 and 10,456.93 is: 15,684.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.48 : 41,981.28 = 10,456.93 : x
  2. Step 2: Convert to fraction form
    27,988.48/41,981.28 = 10,456.93/x
  3. Step 3: Cross multiply
    27,988.48x = 41,981.28 × 10,456.93
  4. Step 4: Simplify right side
    27,988.48x = 438,995,306.27
  5. Step 5: Solve for x
    x = 438,995,306.27/27,988.48
  6. Step 6: Final answer
    x = 15,684.86

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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.