Home / 26,003.52-38,979.36-12,836.16

Finding the Fourth Proportional to 26,003.52, 38,979.36 and 12,836.16

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Solution

The fourth proportional to 26,003.52, 38,979.36 and 12,836.16 is: 19,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,003.52 : 38,979.36 = 12,836.16 : x
  2. Step 2: Convert to fraction form
    26,003.52/38,979.36 = 12,836.16/x
  3. Step 3: Cross multiply
    26,003.52x = 38,979.36 × 12,836.16
  4. Step 4: Simplify right side
    26,003.52x = 500,345,301.66
  5. Step 5: Solve for x
    x = 500,345,301.66/26,003.52
  6. Step 6: Final answer
    x = 19,241.45

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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.