Home / 25,640.42-35,357.85-17,142.44

Finding the Fourth Proportional to 25,640.42, 35,357.85 and 17,142.44

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Solution

The fourth proportional to 25,640.42, 35,357.85 and 17,142.44 is: 23,639.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.42 : 35,357.85 = 17,142.44 : x
  2. Step 2: Convert to fraction form
    25,640.42/35,357.85 = 17,142.44/x
  3. Step 3: Cross multiply
    25,640.42x = 35,357.85 × 17,142.44
  4. Step 4: Simplify right side
    25,640.42x = 606,119,645.36
  5. Step 5: Solve for x
    x = 606,119,645.36/25,640.42
  6. Step 6: Final answer
    x = 23,639.23

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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.