Home / 27,829.12-38,402.76-15,251.44

Finding the Fourth Proportional to 27,829.12, 38,402.76 and 15,251.44

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Solution

The fourth proportional to 27,829.12, 38,402.76 and 15,251.44 is: 21,046.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,829.12 : 38,402.76 = 15,251.44 : x
  2. Step 2: Convert to fraction form
    27,829.12/38,402.76 = 15,251.44/x
  3. Step 3: Cross multiply
    27,829.12x = 38,402.76 × 15,251.44
  4. Step 4: Simplify right side
    27,829.12x = 585,697,389.97
  5. Step 5: Solve for x
    x = 585,697,389.97/27,829.12
  6. Step 6: Final answer
    x = 21,046.21

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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.