Home / 20,020.30-27,637.17-14,282.14

Finding the Fourth Proportional to 20,020.30, 27,637.17 and 14,282.14

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Solution

The fourth proportional to 20,020.30, 27,637.17 and 14,282.14 is: 19,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.30 : 27,637.17 = 14,282.14 : x
  2. Step 2: Convert to fraction form
    20,020.30/27,637.17 = 14,282.14/x
  3. Step 3: Cross multiply
    20,020.30x = 27,637.17 × 14,282.14
  4. Step 4: Simplify right side
    20,020.30x = 394,717,931.14
  5. Step 5: Solve for x
    x = 394,717,931.14/20,020.30
  6. Step 6: Final answer
    x = 19,715.88

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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.