Home / 27,790.87-38,316.49-22,112.23

Finding the Fourth Proportional to 27,790.87, 38,316.49 and 22,112.23

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Solution

The fourth proportional to 27,790.87, 38,316.49 and 22,112.23 is: 30,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,790.87 : 38,316.49 = 22,112.23 : x
  2. Step 2: Convert to fraction form
    27,790.87/38,316.49 = 22,112.23/x
  3. Step 3: Cross multiply
    27,790.87x = 38,316.49 × 22,112.23
  4. Step 4: Simplify right side
    27,790.87x = 847,263,039.67
  5. Step 5: Solve for x
    x = 847,263,039.67/27,790.87
  6. Step 6: Final answer
    x = 30,487.10

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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.