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Finding the Fourth Proportional to 25,759.60, 35,545.84 and 14,581.60

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Solution

The fourth proportional to 25,759.60, 35,545.84 and 14,581.60 is: 20,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.60 : 35,545.84 = 14,581.60 : x
  2. Step 2: Convert to fraction form
    25,759.60/35,545.84 = 14,581.60/x
  3. Step 3: Cross multiply
    25,759.60x = 35,545.84 × 14,581.60
  4. Step 4: Simplify right side
    25,759.60x = 518,315,220.54
  5. Step 5: Solve for x
    x = 518,315,220.54/25,759.60
  6. Step 6: Final answer
    x = 20,121.24

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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.