Home / 21,889.32-32,839.38-6,306.81

Finding the Fourth Proportional to 21,889.32, 32,839.38 and 6,306.81

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Solution

The fourth proportional to 21,889.32, 32,839.38 and 6,306.81 is: 9,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889.32 : 32,839.38 = 6,306.81 : x
  2. Step 2: Convert to fraction form
    21,889.32/32,839.38 = 6,306.81/x
  3. Step 3: Cross multiply
    21,889.32x = 32,839.38 × 6,306.81
  4. Step 4: Simplify right side
    21,889.32x = 207,111,730.18
  5. Step 5: Solve for x
    x = 207,111,730.18/21,889.32
  6. Step 6: Final answer
    x = 9,461.77

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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.