Home / 26,979.36-40,473.90-12,195.24

Finding the Fourth Proportional to 26,979.36, 40,473.90 and 12,195.24

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Solution

The fourth proportional to 26,979.36, 40,473.90 and 12,195.24 is: 18,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.36 : 40,473.90 = 12,195.24 : x
  2. Step 2: Convert to fraction form
    26,979.36/40,473.90 = 12,195.24/x
  3. Step 3: Cross multiply
    26,979.36x = 40,473.90 × 12,195.24
  4. Step 4: Simplify right side
    26,979.36x = 493,588,924.24
  5. Step 5: Solve for x
    x = 493,588,924.24/26,979.36
  6. Step 6: Final answer
    x = 18,295.06

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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.