Home / 27,385.21-37,767.93-17,821.66

Finding the Fourth Proportional to 27,385.21, 37,767.93 and 17,821.66

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Solution

The fourth proportional to 27,385.21, 37,767.93 and 17,821.66 is: 24,578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,385.21 : 37,767.93 = 17,821.66 : x
  2. Step 2: Convert to fraction form
    27,385.21/37,767.93 = 17,821.66/x
  3. Step 3: Cross multiply
    27,385.21x = 37,767.93 × 17,821.66
  4. Step 4: Simplify right side
    27,385.21x = 673,087,040.80
  5. Step 5: Solve for x
    x = 673,087,040.80/27,385.21
  6. Step 6: Final answer
    x = 24,578.49

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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.