Home / 26,927.19-40,388.13-11,127.72

Finding the Fourth Proportional to 26,927.19, 40,388.13 and 11,127.72

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Solution

The fourth proportional to 26,927.19, 40,388.13 and 11,127.72 is: 16,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,927.19 : 40,388.13 = 11,127.72 : x
  2. Step 2: Convert to fraction form
    26,927.19/40,388.13 = 11,127.72/x
  3. Step 3: Cross multiply
    26,927.19x = 40,388.13 × 11,127.72
  4. Step 4: Simplify right side
    26,927.19x = 449,427,801.96
  5. Step 5: Solve for x
    x = 449,427,801.96/26,927.19
  6. Step 6: Final answer
    x = 16,690.48

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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.