Home / 26,452.80-39,679.56-9,806.40

Finding the Fourth Proportional to 26,452.80, 39,679.56 and 9,806.40

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Solution

The fourth proportional to 26,452.80, 39,679.56 and 9,806.40 is: 14,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,452.80 : 39,679.56 = 9,806.40 : x
  2. Step 2: Convert to fraction form
    26,452.80/39,679.56 = 9,806.40/x
  3. Step 3: Cross multiply
    26,452.80x = 39,679.56 × 9,806.40
  4. Step 4: Simplify right side
    26,452.80x = 389,113,637.18
  5. Step 5: Solve for x
    x = 389,113,637.18/26,452.80
  6. Step 6: Final answer
    x = 14,709.73

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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.