Home / 26,699.32-40,047.59-7,979.51

Finding the Fourth Proportional to 26,699.32, 40,047.59 and 7,979.51

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Solution

The fourth proportional to 26,699.32, 40,047.59 and 7,979.51 is: 11,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,699.32 : 40,047.59 = 7,979.51 : x
  2. Step 2: Convert to fraction form
    26,699.32/40,047.59 = 7,979.51/x
  3. Step 3: Cross multiply
    26,699.32x = 40,047.59 × 7,979.51
  4. Step 4: Simplify right side
    26,699.32x = 319,560,144.88
  5. Step 5: Solve for x
    x = 319,560,144.88/26,699.32
  6. Step 6: Final answer
    x = 11,968.85

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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.