Home / 26,979.52-40,474.07-8,259.15

Finding the Fourth Proportional to 26,979.52, 40,474.07 and 8,259.15

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Solution

The fourth proportional to 26,979.52, 40,474.07 and 8,259.15 is: 12,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.52 : 40,474.07 = 8,259.15 : x
  2. Step 2: Convert to fraction form
    26,979.52/40,474.07 = 8,259.15/x
  3. Step 3: Cross multiply
    26,979.52x = 40,474.07 × 8,259.15
  4. Step 4: Simplify right side
    26,979.52x = 334,281,415.24
  5. Step 5: Solve for x
    x = 334,281,415.24/26,979.52
  6. Step 6: Final answer
    x = 12,390.19

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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.