Home / 26,954.10-40,445.55-12,165.30

Finding the Fourth Proportional to 26,954.10, 40,445.55 and 12,165.30

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Solution

The fourth proportional to 26,954.10, 40,445.55 and 12,165.30 is: 18,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,954.10 : 40,445.55 = 12,165.30 : x
  2. Step 2: Convert to fraction form
    26,954.10/40,445.55 = 12,165.30/x
  3. Step 3: Cross multiply
    26,954.10x = 40,445.55 × 12,165.30
  4. Step 4: Simplify right side
    26,954.10x = 492,032,249.42
  5. Step 5: Solve for x
    x = 492,032,249.42/26,954.10
  6. Step 6: Final answer
    x = 18,254.45

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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.