Home / 20,943.19-28,874.66-17,152.39

Finding the Fourth Proportional to 20,943.19, 28,874.66 and 17,152.39

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Solution

The fourth proportional to 20,943.19, 28,874.66 and 17,152.39 is: 23,648.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,943.19 : 28,874.66 = 17,152.39 : x
  2. Step 2: Convert to fraction form
    20,943.19/28,874.66 = 17,152.39/x
  3. Step 3: Cross multiply
    20,943.19x = 28,874.66 × 17,152.39
  4. Step 4: Simplify right side
    20,943.19x = 495,269,343.68
  5. Step 5: Solve for x
    x = 495,269,343.68/20,943.19
  6. Step 6: Final answer
    x = 23,648.23

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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.