Home / 29,275.25-40,399.82-15,846.61

Finding the Fourth Proportional to 29,275.25, 40,399.82 and 15,846.61

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Solution

The fourth proportional to 29,275.25, 40,399.82 and 15,846.61 is: 21,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,275.25 : 40,399.82 = 15,846.61 : x
  2. Step 2: Convert to fraction form
    29,275.25/40,399.82 = 15,846.61/x
  3. Step 3: Cross multiply
    29,275.25x = 40,399.82 × 15,846.61
  4. Step 4: Simplify right side
    29,275.25x = 640,200,130.23
  5. Step 5: Solve for x
    x = 640,200,130.23/29,275.25
  6. Step 6: Final answer
    x = 21,868.31

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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.