Home / 26,276.80-39,350.40-19,667.20

Finding the Fourth Proportional to 26,276.80, 39,350.40 and 19,667.20

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Solution

The fourth proportional to 26,276.80, 39,350.40 and 19,667.20 is: 29,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276.80 : 39,350.40 = 19,667.20 : x
  2. Step 2: Convert to fraction form
    26,276.80/39,350.40 = 19,667.20/x
  3. Step 3: Cross multiply
    26,276.80x = 39,350.40 × 19,667.20
  4. Step 4: Simplify right side
    26,276.80x = 773,912,186.88
  5. Step 5: Solve for x
    x = 773,912,186.88/26,276.80
  6. Step 6: Final answer
    x = 29,452.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.