Home / 22,428.15-33,649.98-9,956.91

Finding the Fourth Proportional to 22,428.15, 33,649.98 and 9,956.91

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Solution

The fourth proportional to 22,428.15, 33,649.98 and 9,956.91 is: 14,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.15 : 33,649.98 = 9,956.91 : x
  2. Step 2: Convert to fraction form
    22,428.15/33,649.98 = 9,956.91/x
  3. Step 3: Cross multiply
    22,428.15x = 33,649.98 × 9,956.91
  4. Step 4: Simplify right side
    22,428.15x = 335,049,822.36
  5. Step 5: Solve for x
    x = 335,049,822.36/22,428.15
  6. Step 6: Final answer
    x = 14,938.81

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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.