Home / 28,763.28-43,149.15-9,035.28

Finding the Fourth Proportional to 28,763.28, 43,149.15 and 9,035.28

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Solution

The fourth proportional to 28,763.28, 43,149.15 and 9,035.28 is: 13,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.28 : 43,149.15 = 9,035.28 : x
  2. Step 2: Convert to fraction form
    28,763.28/43,149.15 = 9,035.28/x
  3. Step 3: Cross multiply
    28,763.28x = 43,149.15 × 9,035.28
  4. Step 4: Simplify right side
    28,763.28x = 389,864,652.01
  5. Step 5: Solve for x
    x = 389,864,652.01/28,763.28
  6. Step 6: Final answer
    x = 13,554.25

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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.