Home / 28,410.96-39,184.11-25,000.62

Finding the Fourth Proportional to 28,410.96, 39,184.11 and 25,000.62

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Solution

The fourth proportional to 28,410.96, 39,184.11 and 25,000.62 is: 34,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.96 : 39,184.11 = 25,000.62 : x
  2. Step 2: Convert to fraction form
    28,410.96/39,184.11 = 25,000.62/x
  3. Step 3: Cross multiply
    28,410.96x = 39,184.11 × 25,000.62
  4. Step 4: Simplify right side
    28,410.96x = 979,626,897.21
  5. Step 5: Solve for x
    x = 979,626,897.21/28,410.96
  6. Step 6: Final answer
    x = 34,480.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.