Home / 28,025.67-42,043.50-9,306.84

Finding the Fourth Proportional to 28,025.67, 42,043.50 and 9,306.84

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Solution

The fourth proportional to 28,025.67, 42,043.50 and 9,306.84 is: 13,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.67 : 42,043.50 = 9,306.84 : x
  2. Step 2: Convert to fraction form
    28,025.67/42,043.50 = 9,306.84/x
  3. Step 3: Cross multiply
    28,025.67x = 42,043.50 × 9,306.84
  4. Step 4: Simplify right side
    28,025.67x = 391,292,127.54
  5. Step 5: Solve for x
    x = 391,292,127.54/28,025.67
  6. Step 6: Final answer
    x = 13,961.92

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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.