Home / 39,976.96-60,015.12-25,890.88

Finding the Fourth Proportional to 39,976.96, 60,015.12 and 25,890.88

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Solution

The fourth proportional to 39,976.96, 60,015.12 and 25,890.88 is: 38,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.96 : 60,015.12 = 25,890.88 : x
  2. Step 2: Convert to fraction form
    39,976.96/60,015.12 = 25,890.88/x
  3. Step 3: Cross multiply
    39,976.96x = 60,015.12 × 25,890.88
  4. Step 4: Simplify right side
    39,976.96x = 1,553,844,270.11
  5. Step 5: Solve for x
    x = 1,553,844,270.11/39,976.96
  6. Step 6: Final answer
    x = 38,868.50

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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.