Home / 27,947.09-38,550.12-17,193.80

Finding the Fourth Proportional to 27,947.09, 38,550.12 and 17,193.80

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Solution

The fourth proportional to 27,947.09, 38,550.12 and 17,193.80 is: 23,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.09 : 38,550.12 = 17,193.80 : x
  2. Step 2: Convert to fraction form
    27,947.09/38,550.12 = 17,193.80/x
  3. Step 3: Cross multiply
    27,947.09x = 38,550.12 × 17,193.80
  4. Step 4: Simplify right side
    27,947.09x = 662,823,053.26
  5. Step 5: Solve for x
    x = 662,823,053.26/27,947.09
  6. Step 6: Final answer
    x = 23,717.07

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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.