Home / 26,678.44-39,979.27-19,602.88

Finding the Fourth Proportional to 26,678.44, 39,979.27 and 19,602.88

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Solution

The fourth proportional to 26,678.44, 39,979.27 and 19,602.88 is: 29,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.44 : 39,979.27 = 19,602.88 : x
  2. Step 2: Convert to fraction form
    26,678.44/39,979.27 = 19,602.88/x
  3. Step 3: Cross multiply
    26,678.44x = 39,979.27 × 19,602.88
  4. Step 4: Simplify right side
    26,678.44x = 783,708,832.30
  5. Step 5: Solve for x
    x = 783,708,832.30/26,678.44
  6. Step 6: Final answer
    x = 29,376.11

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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.