Home / 57,701.28-86,547.06-18,252.68

Finding the Fourth Proportional to 57,701.28, 86,547.06 and 18,252.68

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Solution

The fourth proportional to 57,701.28, 86,547.06 and 18,252.68 is: 27,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,701.28 : 86,547.06 = 18,252.68 : x
  2. Step 2: Convert to fraction form
    57,701.28/86,547.06 = 18,252.68/x
  3. Step 3: Cross multiply
    57,701.28x = 86,547.06 × 18,252.68
  4. Step 4: Simplify right side
    57,701.28x = 1,579,715,791.12
  5. Step 5: Solve for x
    x = 1,579,715,791.12/57,701.28
  6. Step 6: Final answer
    x = 27,377.48

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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.