Home / 28,512.28-42,756.18-9,794.20

Finding the Fourth Proportional to 28,512.28, 42,756.18 and 9,794.20

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Solution

The fourth proportional to 28,512.28, 42,756.18 and 9,794.20 is: 14,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512.28 : 42,756.18 = 9,794.20 : x
  2. Step 2: Convert to fraction form
    28,512.28/42,756.18 = 9,794.20/x
  3. Step 3: Cross multiply
    28,512.28x = 42,756.18 × 9,794.20
  4. Step 4: Simplify right side
    28,512.28x = 418,762,364.38
  5. Step 5: Solve for x
    x = 418,762,364.38/28,512.28
  6. Step 6: Final answer
    x = 14,687.09

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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.