Home / 57,261.36-85,916.64-27,701.28

Finding the Fourth Proportional to 57,261.36, 85,916.64 and 27,701.28

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Solution

The fourth proportional to 57,261.36, 85,916.64 and 27,701.28 is: 41,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,261.36 : 85,916.64 = 27,701.28 : x
  2. Step 2: Convert to fraction form
    57,261.36/85,916.64 = 27,701.28/x
  3. Step 3: Cross multiply
    57,261.36x = 85,916.64 × 27,701.28
  4. Step 4: Simplify right side
    57,261.36x = 2,380,000,901.30
  5. Step 5: Solve for x
    x = 2,380,000,901.30/57,261.36
  6. Step 6: Final answer
    x = 41,563.82

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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.