Home / 22,427.52-30,951.36-12,491.52

Finding the Fourth Proportional to 22,427.52, 30,951.36 and 12,491.52

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Solution

The fourth proportional to 22,427.52, 30,951.36 and 12,491.52 is: 17,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,427.52 : 30,951.36 = 12,491.52 : x
  2. Step 2: Convert to fraction form
    22,427.52/30,951.36 = 12,491.52/x
  3. Step 3: Cross multiply
    22,427.52x = 30,951.36 × 12,491.52
  4. Step 4: Simplify right side
    22,427.52x = 386,629,532.47
  5. Step 5: Solve for x
    x = 386,629,532.47/22,427.52
  6. Step 6: Final answer
    x = 17,239.07

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1.5x scale

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.