Home / 21,088.14-31,566.33-14,073.90

Finding the Fourth Proportional to 21,088.14, 31,566.33 and 14,073.90

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Solution

The fourth proportional to 21,088.14, 31,566.33 and 14,073.90 is: 21,066.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,088.14 : 31,566.33 = 14,073.90 : x
  2. Step 2: Convert to fraction form
    21,088.14/31,566.33 = 14,073.90/x
  3. Step 3: Cross multiply
    21,088.14x = 31,566.33 × 14,073.90
  4. Step 4: Simplify right side
    21,088.14x = 444,261,371.79
  5. Step 5: Solve for x
    x = 444,261,371.79/21,088.14
  6. Step 6: Final answer
    x = 21,066.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.