Home / 27,669.20-38,186.77-15,734.33

Finding the Fourth Proportional to 27,669.20, 38,186.77 and 15,734.33

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Solution

The fourth proportional to 27,669.20, 38,186.77 and 15,734.33 is: 21,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.20 : 38,186.77 = 15,734.33 : x
  2. Step 2: Convert to fraction form
    27,669.20/38,186.77 = 15,734.33/x
  3. Step 3: Cross multiply
    27,669.20x = 38,186.77 × 15,734.33
  4. Step 4: Simplify right side
    27,669.20x = 600,843,031.59
  5. Step 5: Solve for x
    x = 600,843,031.59/27,669.20
  6. Step 6: Final answer
    x = 21,715.23

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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.