Home / 26,975.36-40,442.72-18,631.55

Finding the Fourth Proportional to 26,975.36, 40,442.72 and 18,631.55

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Solution

The fourth proportional to 26,975.36, 40,442.72 and 18,631.55 is: 27,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,975.36 : 40,442.72 = 18,631.55 : x
  2. Step 2: Convert to fraction form
    26,975.36/40,442.72 = 18,631.55/x
  3. Step 3: Cross multiply
    26,975.36x = 40,442.72 × 18,631.55
  4. Step 4: Simplify right side
    26,975.36x = 753,510,264.44
  5. Step 5: Solve for x
    x = 753,510,264.44/26,975.36
  6. Step 6: Final answer
    x = 27,933.28

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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.