Home / 25,924.77-35,778.87-15,859.91

Finding the Fourth Proportional to 25,924.77, 35,778.87 and 15,859.91

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Solution

The fourth proportional to 25,924.77, 35,778.87 and 15,859.91 is: 21,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,924.77 : 35,778.87 = 15,859.91 : x
  2. Step 2: Convert to fraction form
    25,924.77/35,778.87 = 15,859.91/x
  3. Step 3: Cross multiply
    25,924.77x = 35,778.87 × 15,859.91
  4. Step 4: Simplify right side
    25,924.77x = 567,449,747.55
  5. Step 5: Solve for x
    x = 567,449,747.55/25,924.77
  6. Step 6: Final answer
    x = 21,888.32

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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.