Home / 27,079.97-37,371.38-15,143.28

Finding the Fourth Proportional to 27,079.97, 37,371.38 and 15,143.28

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Solution

The fourth proportional to 27,079.97, 37,371.38 and 15,143.28 is: 20,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.97 : 37,371.38 = 15,143.28 : x
  2. Step 2: Convert to fraction form
    27,079.97/37,371.38 = 15,143.28/x
  3. Step 3: Cross multiply
    27,079.97x = 37,371.38 × 15,143.28
  4. Step 4: Simplify right side
    27,079.97x = 565,925,271.33
  5. Step 5: Solve for x
    x = 565,925,271.33/27,079.97
  6. Step 6: Final answer
    x = 20,898.30

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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.