Home / 28,281.84-42,422.60-6,934.29

Finding the Fourth Proportional to 28,281.84, 42,422.60 and 6,934.29

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Solution

The fourth proportional to 28,281.84, 42,422.60 and 6,934.29 is: 10,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,281.84 : 42,422.60 = 6,934.29 : x
  2. Step 2: Convert to fraction form
    28,281.84/42,422.60 = 6,934.29/x
  3. Step 3: Cross multiply
    28,281.84x = 42,422.60 × 6,934.29
  4. Step 4: Simplify right side
    28,281.84x = 294,170,469.20
  5. Step 5: Solve for x
    x = 294,170,469.20/28,281.84
  6. Step 6: Final answer
    x = 10,401.39

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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.