Home / 26,807.19-40,179.79-19,681.21

Finding the Fourth Proportional to 26,807.19, 40,179.79 and 19,681.21

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Solution

The fourth proportional to 26,807.19, 40,179.79 and 19,681.21 is: 29,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,807.19 : 40,179.79 = 19,681.21 : x
  2. Step 2: Convert to fraction form
    26,807.19/40,179.79 = 19,681.21/x
  3. Step 3: Cross multiply
    26,807.19x = 40,179.79 × 19,681.21
  4. Step 4: Simplify right side
    26,807.19x = 790,786,884.75
  5. Step 5: Solve for x
    x = 790,786,884.75/26,807.19
  6. Step 6: Final answer
    x = 29,499.06

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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.