Home / 27,687.03-41,468.13-12,864.75

Finding the Fourth Proportional to 27,687.03, 41,468.13 and 12,864.75

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Solution

The fourth proportional to 27,687.03, 41,468.13 and 12,864.75 is: 19,268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687.03 : 41,468.13 = 12,864.75 : x
  2. Step 2: Convert to fraction form
    27,687.03/41,468.13 = 12,864.75/x
  3. Step 3: Cross multiply
    27,687.03x = 41,468.13 × 12,864.75
  4. Step 4: Simplify right side
    27,687.03x = 533,477,125.42
  5. Step 5: Solve for x
    x = 533,477,125.42/27,687.03
  6. Step 6: Final answer
    x = 19,268.12

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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.