Home / 26,848.08-40,278.42-8,128.26

Finding the Fourth Proportional to 26,848.08, 40,278.42 and 8,128.26

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Solution

The fourth proportional to 26,848.08, 40,278.42 and 8,128.26 is: 12,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,848.08 : 40,278.42 = 8,128.26 : x
  2. Step 2: Convert to fraction form
    26,848.08/40,278.42 = 8,128.26/x
  3. Step 3: Cross multiply
    26,848.08x = 40,278.42 × 8,128.26
  4. Step 4: Simplify right side
    26,848.08x = 327,393,470.15
  5. Step 5: Solve for x
    x = 327,393,470.15/26,848.08
  6. Step 6: Final answer
    x = 12,194.30

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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.