Home / 27,125.66-37,415.85-17,690.78

Finding the Fourth Proportional to 27,125.66, 37,415.85 and 17,690.78

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Solution

The fourth proportional to 27,125.66, 37,415.85 and 17,690.78 is: 24,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.66 : 37,415.85 = 17,690.78 : x
  2. Step 2: Convert to fraction form
    27,125.66/37,415.85 = 17,690.78/x
  3. Step 3: Cross multiply
    27,125.66x = 37,415.85 × 17,690.78
  4. Step 4: Simplify right side
    27,125.66x = 661,915,570.86
  5. Step 5: Solve for x
    x = 661,915,570.86/27,125.66
  6. Step 6: Final answer
    x = 24,401.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.