Home / 26,810.60-40,259.10-18,084.20

Finding the Fourth Proportional to 26,810.60, 40,259.10 and 18,084.20

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Solution

The fourth proportional to 26,810.60, 40,259.10 and 18,084.20 is: 27,155.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,810.60 : 40,259.10 = 18,084.20 : x
  2. Step 2: Convert to fraction form
    26,810.60/40,259.10 = 18,084.20/x
  3. Step 3: Cross multiply
    26,810.60x = 40,259.10 × 18,084.20
  4. Step 4: Simplify right side
    26,810.60x = 728,053,616.22
  5. Step 5: Solve for x
    x = 728,053,616.22/26,810.60
  6. Step 6: Final answer
    x = 27,155.44

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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.