Home / 26,387.92-39,583.50-11,603.80

Finding the Fourth Proportional to 26,387.92, 39,583.50 and 11,603.80

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Solution

The fourth proportional to 26,387.92, 39,583.50 and 11,603.80 is: 17,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.92 : 39,583.50 = 11,603.80 : x
  2. Step 2: Convert to fraction form
    26,387.92/39,583.50 = 11,603.80/x
  3. Step 3: Cross multiply
    26,387.92x = 39,583.50 × 11,603.80
  4. Step 4: Simplify right side
    26,387.92x = 459,319,017.30
  5. Step 5: Solve for x
    x = 459,319,017.30/26,387.92
  6. Step 6: Final answer
    x = 17,406.41

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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.