Home / 27,318.30-40,977.45-19,445.10

Finding the Fourth Proportional to 27,318.30, 40,977.45 and 19,445.10

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Solution

The fourth proportional to 27,318.30, 40,977.45 and 19,445.10 is: 29,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.30 : 40,977.45 = 19,445.10 : x
  2. Step 2: Convert to fraction form
    27,318.30/40,977.45 = 19,445.10/x
  3. Step 3: Cross multiply
    27,318.30x = 40,977.45 × 19,445.10
  4. Step 4: Simplify right side
    27,318.30x = 796,810,613.00
  5. Step 5: Solve for x
    x = 796,810,613.00/27,318.30
  6. Step 6: Final answer
    x = 29,167.65

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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.