Home / 40,855.18-61,266.96-15,891.82

Finding the Fourth Proportional to 40,855.18, 61,266.96 and 15,891.82

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Solution

The fourth proportional to 40,855.18, 61,266.96 and 15,891.82 is: 23,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,855.18 : 61,266.96 = 15,891.82 : x
  2. Step 2: Convert to fraction form
    40,855.18/61,266.96 = 15,891.82/x
  3. Step 3: Cross multiply
    40,855.18x = 61,266.96 × 15,891.82
  4. Step 4: Simplify right side
    40,855.18x = 973,643,500.27
  5. Step 5: Solve for x
    x = 973,643,500.27/40,855.18
  6. Step 6: Final answer
    x = 23,831.58

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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.