Home / 28,382.04-39,080.34-25,149.06

Finding the Fourth Proportional to 28,382.04, 39,080.34 and 25,149.06

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Solution

The fourth proportional to 28,382.04, 39,080.34 and 25,149.06 is: 34,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,382.04 : 39,080.34 = 25,149.06 : x
  2. Step 2: Convert to fraction form
    28,382.04/39,080.34 = 25,149.06/x
  3. Step 3: Cross multiply
    28,382.04x = 39,080.34 × 25,149.06
  4. Step 4: Simplify right side
    28,382.04x = 982,833,815.48
  5. Step 5: Solve for x
    x = 982,833,815.48/28,382.04
  6. Step 6: Final answer
    x = 34,628.72

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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.