Home / 25,821.15-35,627.66-16,881.78

Finding the Fourth Proportional to 25,821.15, 35,627.66 and 16,881.78

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Solution

The fourth proportional to 25,821.15, 35,627.66 and 16,881.78 is: 23,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.15 : 35,627.66 = 16,881.78 : x
  2. Step 2: Convert to fraction form
    25,821.15/35,627.66 = 16,881.78/x
  3. Step 3: Cross multiply
    25,821.15x = 35,627.66 × 16,881.78
  4. Step 4: Simplify right side
    25,821.15x = 601,458,233.63
  5. Step 5: Solve for x
    x = 601,458,233.63/25,821.15
  6. Step 6: Final answer
    x = 23,293.24

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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.