Home / 27,713.40-38,244.06-15,137.88

Finding the Fourth Proportional to 27,713.40, 38,244.06 and 15,137.88

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Solution

The fourth proportional to 27,713.40, 38,244.06 and 15,137.88 is: 20,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,713.40 : 38,244.06 = 15,137.88 : x
  2. Step 2: Convert to fraction form
    27,713.40/38,244.06 = 15,137.88/x
  3. Step 3: Cross multiply
    27,713.40x = 38,244.06 × 15,137.88
  4. Step 4: Simplify right side
    27,713.40x = 578,933,990.99
  5. Step 5: Solve for x
    x = 578,933,990.99/27,713.40
  6. Step 6: Final answer
    x = 20,890.04

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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.