Home / 25,930.80-35,766.90-15,846.30

Finding the Fourth Proportional to 25,930.80, 35,766.90 and 15,846.30

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Solution

The fourth proportional to 25,930.80, 35,766.90 and 15,846.30 is: 21,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.80 : 35,766.90 = 15,846.30 : x
  2. Step 2: Convert to fraction form
    25,930.80/35,766.90 = 15,846.30/x
  3. Step 3: Cross multiply
    25,930.80x = 35,766.90 × 15,846.30
  4. Step 4: Simplify right side
    25,930.80x = 566,773,027.47
  5. Step 5: Solve for x
    x = 566,773,027.47/25,930.80
  6. Step 6: Final answer
    x = 21,857.14

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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.