Home / 22,422.39-30,945.08-16,747.28

Finding the Fourth Proportional to 22,422.39, 30,945.08 and 16,747.28

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Solution

The fourth proportional to 22,422.39, 30,945.08 and 16,747.28 is: 23,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.39 : 30,945.08 = 16,747.28 : x
  2. Step 2: Convert to fraction form
    22,422.39/30,945.08 = 16,747.28/x
  3. Step 3: Cross multiply
    22,422.39x = 30,945.08 × 16,747.28
  4. Step 4: Simplify right side
    22,422.39x = 518,245,919.38
  5. Step 5: Solve for x
    x = 518,245,919.38/22,422.39
  6. Step 6: Final answer
    x = 23,112.88

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Half scale
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Double scale
Find fourth proportional to 22,423.39, 30,946.46 and 16,748.28
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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.