Home / 52,287.68-78,441.24-17,228.72

Finding the Fourth Proportional to 52,287.68, 78,441.24 and 17,228.72

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Solution

The fourth proportional to 52,287.68, 78,441.24 and 17,228.72 is: 25,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,287.68 : 78,441.24 = 17,228.72 : x
  2. Step 2: Convert to fraction form
    52,287.68/78,441.24 = 17,228.72/x
  3. Step 3: Cross multiply
    52,287.68x = 78,441.24 × 17,228.72
  4. Step 4: Simplify right side
    52,287.68x = 1,351,442,160.41
  5. Step 5: Solve for x
    x = 1,351,442,160.41/52,287.68
  6. Step 6: Final answer
    x = 25,846.28

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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.