Home / 26,974.48-40,474.56-12,187.92

Finding the Fourth Proportional to 26,974.48, 40,474.56 and 12,187.92

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Solution

The fourth proportional to 26,974.48, 40,474.56 and 12,187.92 is: 18,287.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,974.48 : 40,474.56 = 12,187.92 : x
  2. Step 2: Convert to fraction form
    26,974.48/40,474.56 = 12,187.92/x
  3. Step 3: Cross multiply
    26,974.48x = 40,474.56 × 12,187.92
  4. Step 4: Simplify right side
    26,974.48x = 493,300,699.32
  5. Step 5: Solve for x
    x = 493,300,699.32/26,974.48
  6. Step 6: Final answer
    x = 18,287.68

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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.