Home / 26,616.36-39,921.30-9,085.80

Finding the Fourth Proportional to 26,616.36, 39,921.30 and 9,085.80

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Solution

The fourth proportional to 26,616.36, 39,921.30 and 9,085.80 is: 13,627.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,616.36 : 39,921.30 = 9,085.80 : x
  2. Step 2: Convert to fraction form
    26,616.36/39,921.30 = 9,085.80/x
  3. Step 3: Cross multiply
    26,616.36x = 39,921.30 × 9,085.80
  4. Step 4: Simplify right side
    26,616.36x = 362,716,947.54
  5. Step 5: Solve for x
    x = 362,716,947.54/26,616.36
  6. Step 6: Final answer
    x = 13,627.59

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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.