Home / 23,414.49-32,290.44-15,345.21

Finding the Fourth Proportional to 23,414.49, 32,290.44 and 15,345.21

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Solution

The fourth proportional to 23,414.49, 32,290.44 and 15,345.21 is: 21,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,414.49 : 32,290.44 = 15,345.21 : x
  2. Step 2: Convert to fraction form
    23,414.49/32,290.44 = 15,345.21/x
  3. Step 3: Cross multiply
    23,414.49x = 32,290.44 × 15,345.21
  4. Step 4: Simplify right side
    23,414.49x = 495,503,404.16
  5. Step 5: Solve for x
    x = 495,503,404.16/23,414.49
  6. Step 6: Final answer
    x = 21,162.25

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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.