Home / 25,426.89-38,148.30-11,398.68

Finding the Fourth Proportional to 25,426.89, 38,148.30 and 11,398.68

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Solution

The fourth proportional to 25,426.89, 38,148.30 and 11,398.68 is: 17,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,426.89 : 38,148.30 = 11,398.68 : x
  2. Step 2: Convert to fraction form
    25,426.89/38,148.30 = 11,398.68/x
  3. Step 3: Cross multiply
    25,426.89x = 38,148.30 × 11,398.68
  4. Step 4: Simplify right side
    25,426.89x = 434,840,264.24
  5. Step 5: Solve for x
    x = 434,840,264.24/25,426.89
  6. Step 6: Final answer
    x = 17,101.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.