Home / 21,343.45-32,013.26-7,491.61

Finding the Fourth Proportional to 21,343.45, 32,013.26 and 7,491.61

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Solution

The fourth proportional to 21,343.45, 32,013.26 and 7,491.61 is: 11,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.45 : 32,013.26 = 7,491.61 : x
  2. Step 2: Convert to fraction form
    21,343.45/32,013.26 = 7,491.61/x
  3. Step 3: Cross multiply
    21,343.45x = 32,013.26 × 7,491.61
  4. Step 4: Simplify right side
    21,343.45x = 239,830,821.29
  5. Step 5: Solve for x
    x = 239,830,821.29/21,343.45
  6. Step 6: Final answer
    x = 11,236.74

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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.