Home / 26,886.99-40,336.86-8,168.09

Finding the Fourth Proportional to 26,886.99, 40,336.86 and 8,168.09

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Solution

The fourth proportional to 26,886.99, 40,336.86 and 8,168.09 is: 12,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,886.99 : 40,336.86 = 8,168.09 : x
  2. Step 2: Convert to fraction form
    26,886.99/40,336.86 = 8,168.09/x
  3. Step 3: Cross multiply
    26,886.99x = 40,336.86 × 8,168.09
  4. Step 4: Simplify right side
    26,886.99x = 329,475,102.80
  5. Step 5: Solve for x
    x = 329,475,102.80/26,886.99
  6. Step 6: Final answer
    x = 12,254.07

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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.