Home / 25,965.29-35,820.87-16,398.53

Finding the Fourth Proportional to 25,965.29, 35,820.87 and 16,398.53

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Solution

The fourth proportional to 25,965.29, 35,820.87 and 16,398.53 is: 22,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,965.29 : 35,820.87 = 16,398.53 : x
  2. Step 2: Convert to fraction form
    25,965.29/35,820.87 = 16,398.53/x
  3. Step 3: Cross multiply
    25,965.29x = 35,820.87 × 16,398.53
  4. Step 4: Simplify right side
    25,965.29x = 587,409,529.33
  5. Step 5: Solve for x
    x = 587,409,529.33/25,965.29
  6. Step 6: Final answer
    x = 22,622.88

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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.