Home / 57,760.28-86,642.76-18,316.52

Finding the Fourth Proportional to 57,760.28, 86,642.76 and 18,316.52

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Solution

The fourth proportional to 57,760.28, 86,642.76 and 18,316.52 is: 27,475.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,760.28 : 86,642.76 = 18,316.52 : x
  2. Step 2: Convert to fraction form
    57,760.28/86,642.76 = 18,316.52/x
  3. Step 3: Cross multiply
    57,760.28x = 86,642.76 × 18,316.52
  4. Step 4: Simplify right side
    57,760.28x = 1,586,993,846.40
  5. Step 5: Solve for x
    x = 1,586,993,846.40/57,760.28
  6. Step 6: Final answer
    x = 27,475.52

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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.