Home / 27,278.70-37,635.84-16,520.11

Finding the Fourth Proportional to 27,278.70, 37,635.84 and 16,520.11

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Solution

The fourth proportional to 27,278.70, 37,635.84 and 16,520.11 is: 22,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.70 : 37,635.84 = 16,520.11 : x
  2. Step 2: Convert to fraction form
    27,278.70/37,635.84 = 16,520.11/x
  3. Step 3: Cross multiply
    27,278.70x = 37,635.84 × 16,520.11
  4. Step 4: Simplify right side
    27,278.70x = 621,748,216.74
  5. Step 5: Solve for x
    x = 621,748,216.74/27,278.70
  6. Step 6: Final answer
    x = 22,792.44

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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.