Home / 18,167.20-27,250.80-5,688.26

Finding the Fourth Proportional to 18,167.20, 27,250.80 and 5,688.26

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Solution

The fourth proportional to 18,167.20, 27,250.80 and 5,688.26 is: 8,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.20 : 27,250.80 = 5,688.26 : x
  2. Step 2: Convert to fraction form
    18,167.20/27,250.80 = 5,688.26/x
  3. Step 3: Cross multiply
    18,167.20x = 27,250.80 × 5,688.26
  4. Step 4: Simplify right side
    18,167.20x = 155,009,635.61
  5. Step 5: Solve for x
    x = 155,009,635.61/18,167.20
  6. Step 6: Final answer
    x = 8,532.39

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1.5x scale

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.