Home / 27,239.46-37,588.74-15,139.20

Finding the Fourth Proportional to 27,239.46, 37,588.74 and 15,139.20

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Solution

The fourth proportional to 27,239.46, 37,588.74 and 15,139.20 is: 20,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239.46 : 37,588.74 = 15,139.20 : x
  2. Step 2: Convert to fraction form
    27,239.46/37,588.74 = 15,139.20/x
  3. Step 3: Cross multiply
    27,239.46x = 37,588.74 × 15,139.20
  4. Step 4: Simplify right side
    27,239.46x = 569,063,452.61
  5. Step 5: Solve for x
    x = 569,063,452.61/27,239.46
  6. Step 6: Final answer
    x = 20,891.14

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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.