Home / 57,943.68-86,882.88-18,491.52

Finding the Fourth Proportional to 57,943.68, 86,882.88 and 18,491.52

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Solution

The fourth proportional to 57,943.68, 86,882.88 and 18,491.52 is: 27,726.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,943.68 : 86,882.88 = 18,491.52 : x
  2. Step 2: Convert to fraction form
    57,943.68/86,882.88 = 18,491.52/x
  3. Step 3: Cross multiply
    57,943.68x = 86,882.88 × 18,491.52
  4. Step 4: Simplify right side
    57,943.68x = 1,606,596,513.18
  5. Step 5: Solve for x
    x = 1,606,596,513.18/57,943.68
  6. Step 6: Final answer
    x = 27,726.86

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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.