Home / 26,589.02-36,696.89-20,205.20

Finding the Fourth Proportional to 26,589.02, 36,696.89 and 20,205.20

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Solution

The fourth proportional to 26,589.02, 36,696.89 and 20,205.20 is: 27,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,589.02 : 36,696.89 = 20,205.20 : x
  2. Step 2: Convert to fraction form
    26,589.02/36,696.89 = 20,205.20/x
  3. Step 3: Cross multiply
    26,589.02x = 36,696.89 × 20,205.20
  4. Step 4: Simplify right side
    26,589.02x = 741,468,144.08
  5. Step 5: Solve for x
    x = 741,468,144.08/26,589.02
  6. Step 6: Final answer
    x = 27,886.26

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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.