Home / 27,971.80-41,958.26-10,438.13

Finding the Fourth Proportional to 27,971.80, 41,958.26 and 10,438.13

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Solution

The fourth proportional to 27,971.80, 41,958.26 and 10,438.13 is: 15,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,971.80 : 41,958.26 = 10,438.13 : x
  2. Step 2: Convert to fraction form
    27,971.80/41,958.26 = 10,438.13/x
  3. Step 3: Cross multiply
    27,971.80x = 41,958.26 × 10,438.13
  4. Step 4: Simplify right side
    27,971.80x = 437,965,772.45
  5. Step 5: Solve for x
    x = 437,965,772.45/27,971.80
  6. Step 6: Final answer
    x = 15,657.40

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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.