Home / 26,853.90-40,268.70-12,055.20

Finding the Fourth Proportional to 26,853.90, 40,268.70 and 12,055.20

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Solution

The fourth proportional to 26,853.90, 40,268.70 and 12,055.20 is: 18,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.90 : 40,268.70 = 12,055.20 : x
  2. Step 2: Convert to fraction form
    26,853.90/40,268.70 = 12,055.20/x
  3. Step 3: Cross multiply
    26,853.90x = 40,268.70 × 12,055.20
  4. Step 4: Simplify right side
    26,853.90x = 485,447,232.24
  5. Step 5: Solve for x
    x = 485,447,232.24/26,853.90
  6. Step 6: Final answer
    x = 18,077.35

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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.