Home / 55,275.88-82,916.64-15,838.78

Finding the Fourth Proportional to 55,275.88, 82,916.64 and 15,838.78

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Solution

The fourth proportional to 55,275.88, 82,916.64 and 15,838.78 is: 23,758.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,275.88 : 82,916.64 = 15,838.78 : x
  2. Step 2: Convert to fraction form
    55,275.88/82,916.64 = 15,838.78/x
  3. Step 3: Cross multiply
    55,275.88x = 82,916.64 × 15,838.78
  4. Step 4: Simplify right side
    55,275.88x = 1,313,298,419.30
  5. Step 5: Solve for x
    x = 1,313,298,419.30/55,275.88
  6. Step 6: Final answer
    x = 23,758.98

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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.