Home / 27,713.24-38,244.12-15,137.90

Finding the Fourth Proportional to 27,713.24, 38,244.12 and 15,137.90

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Solution

The fourth proportional to 27,713.24, 38,244.12 and 15,137.90 is: 20,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,713.24 : 38,244.12 = 15,137.90 : x
  2. Step 2: Convert to fraction form
    27,713.24/38,244.12 = 15,137.90/x
  3. Step 3: Cross multiply
    27,713.24x = 38,244.12 × 15,137.90
  4. Step 4: Simplify right side
    27,713.24x = 578,935,664.15
  5. Step 5: Solve for x
    x = 578,935,664.15/27,713.24
  6. Step 6: Final answer
    x = 20,890.22

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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.