Home / 27,958.20-41,938.20-10,429.80

Finding the Fourth Proportional to 27,958.20, 41,938.20 and 10,429.80

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Solution

The fourth proportional to 27,958.20, 41,938.20 and 10,429.80 is: 15,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,958.20 : 41,938.20 = 10,429.80 : x
  2. Step 2: Convert to fraction form
    27,958.20/41,938.20 = 10,429.80/x
  3. Step 3: Cross multiply
    27,958.20x = 41,938.20 × 10,429.80
  4. Step 4: Simplify right side
    27,958.20x = 437,407,038.36
  5. Step 5: Solve for x
    x = 437,407,038.36/27,958.20
  6. Step 6: Final answer
    x = 15,645.04

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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.