Home / 27,165.12-40,742.13-7,442.16

Finding the Fourth Proportional to 27,165.12, 40,742.13 and 7,442.16

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Solution

The fourth proportional to 27,165.12, 40,742.13 and 7,442.16 is: 11,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165.12 : 40,742.13 = 7,442.16 : x
  2. Step 2: Convert to fraction form
    27,165.12/40,742.13 = 7,442.16/x
  3. Step 3: Cross multiply
    27,165.12x = 40,742.13 × 7,442.16
  4. Step 4: Simplify right side
    27,165.12x = 303,209,450.20
  5. Step 5: Solve for x
    x = 303,209,450.20/27,165.12
  6. Step 6: Final answer
    x = 11,161.72

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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.