Home / 26,979.32-40,487.16-9,449.30

Finding the Fourth Proportional to 26,979.32, 40,487.16 and 9,449.30

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Solution

The fourth proportional to 26,979.32, 40,487.16 and 9,449.30 is: 14,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.32 : 40,487.16 = 9,449.30 : x
  2. Step 2: Convert to fraction form
    26,979.32/40,487.16 = 9,449.30/x
  3. Step 3: Cross multiply
    26,979.32x = 40,487.16 × 9,449.30
  4. Step 4: Simplify right side
    26,979.32x = 382,575,320.99
  5. Step 5: Solve for x
    x = 382,575,320.99/26,979.32
  6. Step 6: Final answer
    x = 14,180.32

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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.