Home / 43,578.50-65,377.47-15,876.50

Finding the Fourth Proportional to 43,578.50, 65,377.47 and 15,876.50

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Solution

The fourth proportional to 43,578.50, 65,377.47 and 15,876.50 is: 23,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578.50 : 65,377.47 = 15,876.50 : x
  2. Step 2: Convert to fraction form
    43,578.50/65,377.47 = 15,876.50/x
  3. Step 3: Cross multiply
    43,578.50x = 65,377.47 × 15,876.50
  4. Step 4: Simplify right side
    43,578.50x = 1,037,965,402.46
  5. Step 5: Solve for x
    x = 1,037,965,402.46/43,578.50
  6. Step 6: Final answer
    x = 23,818.29

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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.