Home / 26,286.68-39,386.28-11,473.40

Finding the Fourth Proportional to 26,286.68, 39,386.28 and 11,473.40

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Solution

The fourth proportional to 26,286.68, 39,386.28 and 11,473.40 is: 17,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,286.68 : 39,386.28 = 11,473.40 : x
  2. Step 2: Convert to fraction form
    26,286.68/39,386.28 = 11,473.40/x
  3. Step 3: Cross multiply
    26,286.68x = 39,386.28 × 11,473.40
  4. Step 4: Simplify right side
    26,286.68x = 451,894,544.95
  5. Step 5: Solve for x
    x = 451,894,544.95/26,286.68
  6. Step 6: Final answer
    x = 17,191.01

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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.