Home / 17,979.49-26,896.96-15,540.49

Finding the Fourth Proportional to 17,979.49, 26,896.96 and 15,540.49

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Solution

The fourth proportional to 17,979.49, 26,896.96 and 15,540.49 is: 23,248.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.49 : 26,896.96 = 15,540.49 : x
  2. Step 2: Convert to fraction form
    17,979.49/26,896.96 = 15,540.49/x
  3. Step 3: Cross multiply
    17,979.49x = 26,896.96 × 15,540.49
  4. Step 4: Simplify right side
    17,979.49x = 417,991,937.91
  5. Step 5: Solve for x
    x = 417,991,937.91/17,979.49
  6. Step 6: Final answer
    x = 23,248.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.