Home / 26,981.32-40,490.16-9,451.30

Finding the Fourth Proportional to 26,981.32, 40,490.16 and 9,451.30

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Solution

The fourth proportional to 26,981.32, 40,490.16 and 9,451.30 is: 14,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.32 : 40,490.16 = 9,451.30 : x
  2. Step 2: Convert to fraction form
    26,981.32/40,490.16 = 9,451.30/x
  3. Step 3: Cross multiply
    26,981.32x = 40,490.16 × 9,451.30
  4. Step 4: Simplify right side
    26,981.32x = 382,684,649.21
  5. Step 5: Solve for x
    x = 382,684,649.21/26,981.32
  6. Step 6: Final answer
    x = 14,183.32

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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.