Home / 24,945.69-34,397.13-20,394.18

Finding the Fourth Proportional to 24,945.69, 34,397.13 and 20,394.18

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Solution

The fourth proportional to 24,945.69, 34,397.13 and 20,394.18 is: 28,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,945.69 : 34,397.13 = 20,394.18 : x
  2. Step 2: Convert to fraction form
    24,945.69/34,397.13 = 20,394.18/x
  3. Step 3: Cross multiply
    24,945.69x = 34,397.13 × 20,394.18
  4. Step 4: Simplify right side
    24,945.69x = 701,501,260.70
  5. Step 5: Solve for x
    x = 701,501,260.70/24,945.69
  6. Step 6: Final answer
    x = 28,121.14

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Double scale
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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.