Home / 22,504.41-31,054.03-12,432.65

Finding the Fourth Proportional to 22,504.41, 31,054.03 and 12,432.65

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Solution

The fourth proportional to 22,504.41, 31,054.03 and 12,432.65 is: 17,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,504.41 : 31,054.03 = 12,432.65 : x
  2. Step 2: Convert to fraction form
    22,504.41/31,054.03 = 12,432.65/x
  3. Step 3: Cross multiply
    22,504.41x = 31,054.03 × 12,432.65
  4. Step 4: Simplify right side
    22,504.41x = 386,083,699.73
  5. Step 5: Solve for x
    x = 386,083,699.73/22,504.41
  6. Step 6: Final answer
    x = 17,155.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.