Home / 55,188.20-82,757.76-15,736.40

Finding the Fourth Proportional to 55,188.20, 82,757.76 and 15,736.40

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Solution

The fourth proportional to 55,188.20, 82,757.76 and 15,736.40 is: 23,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,188.20 : 82,757.76 = 15,736.40 : x
  2. Step 2: Convert to fraction form
    55,188.20/82,757.76 = 15,736.40/x
  3. Step 3: Cross multiply
    55,188.20x = 82,757.76 × 15,736.40
  4. Step 4: Simplify right side
    55,188.20x = 1,302,309,214.46
  5. Step 5: Solve for x
    x = 1,302,309,214.46/55,188.20
  6. Step 6: Final answer
    x = 23,597.60

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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.