Home / 27,135.48-40,724.06-12,147.24

Finding the Fourth Proportional to 27,135.48, 40,724.06 and 12,147.24

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Solution

The fourth proportional to 27,135.48, 40,724.06 and 12,147.24 is: 18,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135.48 : 40,724.06 = 12,147.24 : x
  2. Step 2: Convert to fraction form
    27,135.48/40,724.06 = 12,147.24/x
  3. Step 3: Cross multiply
    27,135.48x = 40,724.06 × 12,147.24
  4. Step 4: Simplify right side
    27,135.48x = 494,684,930.59
  5. Step 5: Solve for x
    x = 494,684,930.59/27,135.48
  6. Step 6: Final answer
    x = 18,230.19

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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.