Home / 27,926.22-38,537.12-15,990.68

Finding the Fourth Proportional to 27,926.22, 38,537.12 and 15,990.68

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Solution

The fourth proportional to 27,926.22, 38,537.12 and 15,990.68 is: 22,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,926.22 : 38,537.12 = 15,990.68 : x
  2. Step 2: Convert to fraction form
    27,926.22/38,537.12 = 15,990.68/x
  3. Step 3: Cross multiply
    27,926.22x = 38,537.12 × 15,990.68
  4. Step 4: Simplify right side
    27,926.22x = 616,234,754.04
  5. Step 5: Solve for x
    x = 616,234,754.04/27,926.22
  6. Step 6: Final answer
    x = 22,066.53

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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.