Home / 22,927.28-31,634.82-14,981.18

Finding the Fourth Proportional to 22,927.28, 31,634.82 and 14,981.18

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Solution

The fourth proportional to 22,927.28, 31,634.82 and 14,981.18 is: 20,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,927.28 : 31,634.82 = 14,981.18 : x
  2. Step 2: Convert to fraction form
    22,927.28/31,634.82 = 14,981.18/x
  3. Step 3: Cross multiply
    22,927.28x = 31,634.82 × 14,981.18
  4. Step 4: Simplify right side
    22,927.28x = 473,926,932.69
  5. Step 5: Solve for x
    x = 473,926,932.69/22,927.28
  6. Step 6: Final answer
    x = 20,670.87

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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.