Home / 40,577.20-60,865.80-25,705.60

Finding the Fourth Proportional to 40,577.20, 60,865.80 and 25,705.60

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Solution

The fourth proportional to 40,577.20, 60,865.80 and 25,705.60 is: 38,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,577.20 : 60,865.80 = 25,705.60 : x
  2. Step 2: Convert to fraction form
    40,577.20/60,865.80 = 25,705.60/x
  3. Step 3: Cross multiply
    40,577.20x = 60,865.80 × 25,705.60
  4. Step 4: Simplify right side
    40,577.20x = 1,564,591,908.48
  5. Step 5: Solve for x
    x = 1,564,591,908.48/40,577.20
  6. Step 6: Final answer
    x = 38,558.40

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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.