Home / 56,921.82-85,426.29-25,778.94

Finding the Fourth Proportional to 56,921.82, 85,426.29 and 25,778.94

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Solution

The fourth proportional to 56,921.82, 85,426.29 and 25,778.94 is: 38,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,921.82 : 85,426.29 = 25,778.94 : x
  2. Step 2: Convert to fraction form
    56,921.82/85,426.29 = 25,778.94/x
  3. Step 3: Cross multiply
    56,921.82x = 85,426.29 × 25,778.94
  4. Step 4: Simplify right side
    56,921.82x = 2,202,199,204.33
  5. Step 5: Solve for x
    x = 2,202,199,204.33/56,921.82
  6. Step 6: Final answer
    x = 38,688.14

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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.