Home / 25,852.20-35,679.42-15,242.82

Finding the Fourth Proportional to 25,852.20, 35,679.42 and 15,242.82

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Solution

The fourth proportional to 25,852.20, 35,679.42 and 15,242.82 is: 21,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,852.20 : 35,679.42 = 15,242.82 : x
  2. Step 2: Convert to fraction form
    25,852.20/35,679.42 = 15,242.82/x
  3. Step 3: Cross multiply
    25,852.20x = 35,679.42 × 15,242.82
  4. Step 4: Simplify right side
    25,852.20x = 543,854,976.76
  5. Step 5: Solve for x
    x = 543,854,976.76/25,852.20
  6. Step 6: Final answer
    x = 21,037.09

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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.