Home / 26,891.76-40,307.76-20,296.56

Finding the Fourth Proportional to 26,891.76, 40,307.76 and 20,296.56

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Solution

The fourth proportional to 26,891.76, 40,307.76 and 20,296.56 is: 30,422.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,891.76 : 40,307.76 = 20,296.56 : x
  2. Step 2: Convert to fraction form
    26,891.76/40,307.76 = 20,296.56/x
  3. Step 3: Cross multiply
    26,891.76x = 40,307.76 × 20,296.56
  4. Step 4: Simplify right side
    26,891.76x = 818,108,869.31
  5. Step 5: Solve for x
    x = 818,108,869.31/26,891.76
  6. Step 6: Final answer
    x = 30,422.29

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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.