Home / 27,418.64-41,129.42-8,700.10

Finding the Fourth Proportional to 27,418.64, 41,129.42 and 8,700.10

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Solution

The fourth proportional to 27,418.64, 41,129.42 and 8,700.10 is: 13,050.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.64 : 41,129.42 = 8,700.10 : x
  2. Step 2: Convert to fraction form
    27,418.64/41,129.42 = 8,700.10/x
  3. Step 3: Cross multiply
    27,418.64x = 41,129.42 × 8,700.10
  4. Step 4: Simplify right side
    27,418.64x = 357,830,066.94
  5. Step 5: Solve for x
    x = 357,830,066.94/27,418.64
  6. Step 6: Final answer
    x = 13,050.61

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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.