Home / 27,581.44-38,061.92-15,005.92

Finding the Fourth Proportional to 27,581.44, 38,061.92 and 15,005.92

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Solution

The fourth proportional to 27,581.44, 38,061.92 and 15,005.92 is: 20,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.44 : 38,061.92 = 15,005.92 : x
  2. Step 2: Convert to fraction form
    27,581.44/38,061.92 = 15,005.92/x
  3. Step 3: Cross multiply
    27,581.44x = 38,061.92 × 15,005.92
  4. Step 4: Simplify right side
    27,581.44x = 571,154,126.57
  5. Step 5: Solve for x
    x = 571,154,126.57/27,581.44
  6. Step 6: Final answer
    x = 20,707.92

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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.