Home / 25,238.79-34,763.90-19,212.39

Finding the Fourth Proportional to 25,238.79, 34,763.90 and 19,212.39

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Solution

The fourth proportional to 25,238.79, 34,763.90 and 19,212.39 is: 26,463.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,238.79 : 34,763.90 = 19,212.39 : x
  2. Step 2: Convert to fraction form
    25,238.79/34,763.90 = 19,212.39/x
  3. Step 3: Cross multiply
    25,238.79x = 34,763.90 × 19,212.39
  4. Step 4: Simplify right side
    25,238.79x = 667,897,508.66
  5. Step 5: Solve for x
    x = 667,897,508.66/25,238.79
  6. Step 6: Final answer
    x = 26,463.14

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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.