Home / 26,480.57-39,720.34-10,685.18

Finding the Fourth Proportional to 26,480.57, 39,720.34 and 10,685.18

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Solution

The fourth proportional to 26,480.57, 39,720.34 and 10,685.18 is: 16,027.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.57 : 39,720.34 = 10,685.18 : x
  2. Step 2: Convert to fraction form
    26,480.57/39,720.34 = 10,685.18/x
  3. Step 3: Cross multiply
    26,480.57x = 39,720.34 × 10,685.18
  4. Step 4: Simplify right side
    26,480.57x = 424,419,095.22
  5. Step 5: Solve for x
    x = 424,419,095.22/26,480.57
  6. Step 6: Final answer
    x = 16,027.57

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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.