Home / 26,972.36-40,479.72-18,710.52

Finding the Fourth Proportional to 26,972.36, 40,479.72 and 18,710.52

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Solution

The fourth proportional to 26,972.36, 40,479.72 and 18,710.52 is: 28,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,972.36 : 40,479.72 = 18,710.52 : x
  2. Step 2: Convert to fraction form
    26,972.36/40,479.72 = 18,710.52/x
  3. Step 3: Cross multiply
    26,972.36x = 40,479.72 × 18,710.52
  4. Step 4: Simplify right side
    26,972.36x = 757,396,610.65
  5. Step 5: Solve for x
    x = 757,396,610.65/26,972.36
  6. Step 6: Final answer
    x = 28,080.47

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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.