Home / 27,910.41-38,505.49-15,808.11

Finding the Fourth Proportional to 27,910.41, 38,505.49 and 15,808.11

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Solution

The fourth proportional to 27,910.41, 38,505.49 and 15,808.11 is: 21,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.41 : 38,505.49 = 15,808.11 : x
  2. Step 2: Convert to fraction form
    27,910.41/38,505.49 = 15,808.11/x
  3. Step 3: Cross multiply
    27,910.41x = 38,505.49 × 15,808.11
  4. Step 4: Simplify right side
    27,910.41x = 608,699,021.52
  5. Step 5: Solve for x
    x = 608,699,021.52/27,910.41
  6. Step 6: Final answer
    x = 21,809.03

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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.