Home / 26,891.79-40,282.20-15,764.69

Finding the Fourth Proportional to 26,891.79, 40,282.20 and 15,764.69

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Solution

The fourth proportional to 26,891.79, 40,282.20 and 15,764.69 is: 23,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,891.79 : 40,282.20 = 15,764.69 : x
  2. Step 2: Convert to fraction form
    26,891.79/40,282.20 = 15,764.69/x
  3. Step 3: Cross multiply
    26,891.79x = 40,282.20 × 15,764.69
  4. Step 4: Simplify right side
    26,891.79x = 635,036,194.11
  5. Step 5: Solve for x
    x = 635,036,194.11/26,891.79
  6. Step 6: Final answer
    x = 23,614.50

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1.5x scale

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.