Home / 25,238.28-34,828.35-13,908.82

Finding the Fourth Proportional to 25,238.28, 34,828.35 and 13,908.82

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Solution

The fourth proportional to 25,238.28, 34,828.35 and 13,908.82 is: 19,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,238.28 : 34,828.35 = 13,908.82 : x
  2. Step 2: Convert to fraction form
    25,238.28/34,828.35 = 13,908.82/x
  3. Step 3: Cross multiply
    25,238.28x = 34,828.35 × 13,908.82
  4. Step 4: Simplify right side
    25,238.28x = 484,421,251.05
  5. Step 5: Solve for x
    x = 484,421,251.05/25,238.28
  6. Step 6: Final answer
    x = 19,193.91

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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.