Home / 26,287.80-39,395.52-11,509.08

Finding the Fourth Proportional to 26,287.80, 39,395.52 and 11,509.08

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Solution

The fourth proportional to 26,287.80, 39,395.52 and 11,509.08 is: 17,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.80 : 39,395.52 = 11,509.08 : x
  2. Step 2: Convert to fraction form
    26,287.80/39,395.52 = 11,509.08/x
  3. Step 3: Cross multiply
    26,287.80x = 39,395.52 × 11,509.08
  4. Step 4: Simplify right side
    26,287.80x = 453,406,191.32
  5. Step 5: Solve for x
    x = 453,406,191.32/26,287.80
  6. Step 6: Final answer
    x = 17,247.78

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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.