Home / 18,824.28-28,225.62-5,672.76

Finding the Fourth Proportional to 18,824.28, 28,225.62 and 5,672.76

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Solution

The fourth proportional to 18,824.28, 28,225.62 and 5,672.76 is: 8,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.28 : 28,225.62 = 5,672.76 : x
  2. Step 2: Convert to fraction form
    18,824.28/28,225.62 = 5,672.76/x
  3. Step 3: Cross multiply
    18,824.28x = 28,225.62 × 5,672.76
  4. Step 4: Simplify right side
    18,824.28x = 160,117,168.11
  5. Step 5: Solve for x
    x = 160,117,168.11/18,824.28
  6. Step 6: Final answer
    x = 8,505.89

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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.