Home / 25,260.30-34,859.39-13,930.20

Finding the Fourth Proportional to 25,260.30, 34,859.39 and 13,930.20

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Solution

The fourth proportional to 25,260.30, 34,859.39 and 13,930.20 is: 19,223.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,260.30 : 34,859.39 = 13,930.20 : x
  2. Step 2: Convert to fraction form
    25,260.30/34,859.39 = 13,930.20/x
  3. Step 3: Cross multiply
    25,260.30x = 34,859.39 × 13,930.20
  4. Step 4: Simplify right side
    25,260.30x = 485,598,204.93
  5. Step 5: Solve for x
    x = 485,598,204.93/25,260.30
  6. Step 6: Final answer
    x = 19,223.77

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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.