Home / 22,255.72-33,367.02-13,488.52

Finding the Fourth Proportional to 22,255.72, 33,367.02 and 13,488.52

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Solution

The fourth proportional to 22,255.72, 33,367.02 and 13,488.52 is: 20,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.72 : 33,367.02 = 13,488.52 : x
  2. Step 2: Convert to fraction form
    22,255.72/33,367.02 = 13,488.52/x
  3. Step 3: Cross multiply
    22,255.72x = 33,367.02 × 13,488.52
  4. Step 4: Simplify right side
    22,255.72x = 450,071,716.61
  5. Step 5: Solve for x
    x = 450,071,716.61/22,255.72
  6. Step 6: Final answer
    x = 20,222.74

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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.