Home / 27,938.30-38,555.60-15,192.33

Finding the Fourth Proportional to 27,938.30, 38,555.60 and 15,192.33

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Solution

The fourth proportional to 27,938.30, 38,555.60 and 15,192.33 is: 20,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.30 : 38,555.60 = 15,192.33 : x
  2. Step 2: Convert to fraction form
    27,938.30/38,555.60 = 15,192.33/x
  3. Step 3: Cross multiply
    27,938.30x = 38,555.60 × 15,192.33
  4. Step 4: Simplify right side
    27,938.30x = 585,749,322.59
  5. Step 5: Solve for x
    x = 585,749,322.59/27,938.30
  6. Step 6: Final answer
    x = 20,965.82

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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.