Home / 21,287.27-31,927.26-6,088.79

Finding the Fourth Proportional to 21,287.27, 31,927.26 and 6,088.79

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Solution

The fourth proportional to 21,287.27, 31,927.26 and 6,088.79 is: 9,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,287.27 : 31,927.26 = 6,088.79 : x
  2. Step 2: Convert to fraction form
    21,287.27/31,927.26 = 6,088.79/x
  3. Step 3: Cross multiply
    21,287.27x = 31,927.26 × 6,088.79
  4. Step 4: Simplify right side
    21,287.27x = 194,398,381.42
  5. Step 5: Solve for x
    x = 194,398,381.42/21,287.27
  6. Step 6: Final answer
    x = 9,132.14

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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.