Home / 72,884.38-109,358.34-25,533.44

Finding the Fourth Proportional to 72,884.38, 109,358.34 and 25,533.44

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Solution

The fourth proportional to 72,884.38, 109,358.34 and 25,533.44 is: 38,311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,884.38 : 109,358.34 = 25,533.44 : x
  2. Step 2: Convert to fraction form
    72,884.38/109,358.34 = 25,533.44/x
  3. Step 3: Cross multiply
    72,884.38x = 109,358.34 × 25,533.44
  4. Step 4: Simplify right side
    72,884.38x = 2,792,294,275.66
  5. Step 5: Solve for x
    x = 2,792,294,275.66/72,884.38
  6. Step 6: Final answer
    x = 38,311.29

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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.