Home / 28,194.64-42,246.20-16,478.80

Finding the Fourth Proportional to 28,194.64, 42,246.20 and 16,478.80

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Solution

The fourth proportional to 28,194.64, 42,246.20 and 16,478.80 is: 24,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.64 : 42,246.20 = 16,478.80 : x
  2. Step 2: Convert to fraction form
    28,194.64/42,246.20 = 16,478.80/x
  3. Step 3: Cross multiply
    28,194.64x = 42,246.20 × 16,478.80
  4. Step 4: Simplify right side
    28,194.64x = 696,166,680.56
  5. Step 5: Solve for x
    x = 696,166,680.56/28,194.64
  6. Step 6: Final answer
    x = 24,691.45

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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.