Home / 25,314.39-34,935.21-15,245.91

Finding the Fourth Proportional to 25,314.39, 34,935.21 and 15,245.91

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Solution

The fourth proportional to 25,314.39, 34,935.21 and 15,245.91 is: 21,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,314.39 : 34,935.21 = 15,245.91 : x
  2. Step 2: Convert to fraction form
    25,314.39/34,935.21 = 15,245.91/x
  3. Step 3: Cross multiply
    25,314.39x = 34,935.21 × 15,245.91
  4. Step 4: Simplify right side
    25,314.39x = 532,619,067.49
  5. Step 5: Solve for x
    x = 532,619,067.49/25,314.39
  6. Step 6: Final answer
    x = 21,040.17

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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.