Home / 29,809.14-41,135.76-16,887.21

Finding the Fourth Proportional to 29,809.14, 41,135.76 and 16,887.21

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Solution

The fourth proportional to 29,809.14, 41,135.76 and 16,887.21 is: 23,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,809.14 : 41,135.76 = 16,887.21 : x
  2. Step 2: Convert to fraction form
    29,809.14/41,135.76 = 16,887.21/x
  3. Step 3: Cross multiply
    29,809.14x = 41,135.76 × 16,887.21
  4. Step 4: Simplify right side
    29,809.14x = 694,668,217.63
  5. Step 5: Solve for x
    x = 694,668,217.63/29,809.14
  6. Step 6: Final answer
    x = 23,303.87

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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.