Home / 28,414.85-42,622.21-8,693.42

Finding the Fourth Proportional to 28,414.85, 42,622.21 and 8,693.42

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Solution

The fourth proportional to 28,414.85, 42,622.21 and 8,693.42 is: 13,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.85 : 42,622.21 = 8,693.42 : x
  2. Step 2: Convert to fraction form
    28,414.85/42,622.21 = 8,693.42/x
  3. Step 3: Cross multiply
    28,414.85x = 42,622.21 × 8,693.42
  4. Step 4: Simplify right side
    28,414.85x = 370,532,538.01
  5. Step 5: Solve for x
    x = 370,532,538.01/28,414.85
  6. Step 6: Final answer
    x = 13,040.10

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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.