Home / 26,686.02-40,007.43-11,115.30

Finding the Fourth Proportional to 26,686.02, 40,007.43 and 11,115.30

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Solution

The fourth proportional to 26,686.02, 40,007.43 and 11,115.30 is: 16,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.02 : 40,007.43 = 11,115.30 : x
  2. Step 2: Convert to fraction form
    26,686.02/40,007.43 = 11,115.30/x
  3. Step 3: Cross multiply
    26,686.02x = 40,007.43 × 11,115.30
  4. Step 4: Simplify right side
    26,686.02x = 444,694,586.68
  5. Step 5: Solve for x
    x = 444,694,586.68/26,686.02
  6. Step 6: Final answer
    x = 16,663.95

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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.