Home / 57,725.28-86,585.20-18,284.64

Finding the Fourth Proportional to 57,725.28, 86,585.20 and 18,284.64

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Solution

The fourth proportional to 57,725.28, 86,585.20 and 18,284.64 is: 27,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,725.28 : 86,585.20 = 18,284.64 : x
  2. Step 2: Convert to fraction form
    57,725.28/86,585.20 = 18,284.64/x
  3. Step 3: Cross multiply
    57,725.28x = 86,585.20 × 18,284.64
  4. Step 4: Simplify right side
    57,725.28x = 1,583,179,211.33
  5. Step 5: Solve for x
    x = 1,583,179,211.33/57,725.28
  6. Step 6: Final answer
    x = 27,426.10

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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.