Home / 24,712.20-34,067.70-15,275.40

Finding the Fourth Proportional to 24,712.20, 34,067.70 and 15,275.40

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Solution

The fourth proportional to 24,712.20, 34,067.70 and 15,275.40 is: 21,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,712.20 : 34,067.70 = 15,275.40 : x
  2. Step 2: Convert to fraction form
    24,712.20/34,067.70 = 15,275.40/x
  3. Step 3: Cross multiply
    24,712.20x = 34,067.70 × 15,275.40
  4. Step 4: Simplify right side
    24,712.20x = 520,397,744.58
  5. Step 5: Solve for x
    x = 520,397,744.58/24,712.20
  6. Step 6: Final answer
    x = 21,058.33

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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.