Home / 40,826.90-61,216.50-15,837.74

Finding the Fourth Proportional to 40,826.90, 61,216.50 and 15,837.74

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Solution

The fourth proportional to 40,826.90, 61,216.50 and 15,837.74 is: 23,747.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,826.90 : 61,216.50 = 15,837.74 : x
  2. Step 2: Convert to fraction form
    40,826.90/61,216.50 = 15,837.74/x
  3. Step 3: Cross multiply
    40,826.90x = 61,216.50 × 15,837.74
  4. Step 4: Simplify right side
    40,826.90x = 969,531,010.71
  5. Step 5: Solve for x
    x = 969,531,010.71/40,826.90
  6. Step 6: Final answer
    x = 23,747.36

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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.