Home / 25,811.72-38,732.16-11,019.26

Finding the Fourth Proportional to 25,811.72, 38,732.16 and 11,019.26

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Solution

The fourth proportional to 25,811.72, 38,732.16 and 11,019.26 is: 16,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.72 : 38,732.16 = 11,019.26 : x
  2. Step 2: Convert to fraction form
    25,811.72/38,732.16 = 11,019.26/x
  3. Step 3: Cross multiply
    25,811.72x = 38,732.16 × 11,019.26
  4. Step 4: Simplify right side
    25,811.72x = 426,799,741.40
  5. Step 5: Solve for x
    x = 426,799,741.40/25,811.72
  6. Step 6: Final answer
    x = 16,535.11

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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.