Home / 27,890.02-38,489.13-15,953.38

Finding the Fourth Proportional to 27,890.02, 38,489.13 and 15,953.38

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Solution

The fourth proportional to 27,890.02, 38,489.13 and 15,953.38 is: 22,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.02 : 38,489.13 = 15,953.38 : x
  2. Step 2: Convert to fraction form
    27,890.02/38,489.13 = 15,953.38/x
  3. Step 3: Cross multiply
    27,890.02x = 38,489.13 × 15,953.38
  4. Step 4: Simplify right side
    27,890.02x = 614,031,716.76
  5. Step 5: Solve for x
    x = 614,031,716.76/27,890.02
  6. Step 6: Final answer
    x = 22,016.18

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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.