Home / 56,377.15-84,516.51-28,257.80

Finding the Fourth Proportional to 56,377.15, 84,516.51 and 28,257.80

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Solution

The fourth proportional to 56,377.15, 84,516.51 and 28,257.80 is: 42,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,377.15 : 84,516.51 = 28,257.80 : x
  2. Step 2: Convert to fraction form
    56,377.15/84,516.51 = 28,257.80/x
  3. Step 3: Cross multiply
    56,377.15x = 84,516.51 × 28,257.80
  4. Step 4: Simplify right side
    56,377.15x = 2,388,250,319.66
  5. Step 5: Solve for x
    x = 2,388,250,319.66/56,377.15
  6. Step 6: Final answer
    x = 42,362.03

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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.