Home / 28,581.26-42,778.73-25,853.18

Finding the Fourth Proportional to 28,581.26, 42,778.73 and 25,853.18

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Solution

The fourth proportional to 28,581.26, 42,778.73 and 25,853.18 is: 38,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,581.26 : 42,778.73 = 25,853.18 : x
  2. Step 2: Convert to fraction form
    28,581.26/42,778.73 = 25,853.18/x
  3. Step 3: Cross multiply
    28,581.26x = 42,778.73 × 25,853.18
  4. Step 4: Simplify right side
    28,581.26x = 1,105,966,057.60
  5. Step 5: Solve for x
    x = 1,105,966,057.60/28,581.26
  6. Step 6: Final answer
    x = 38,695.50

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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.