Home / 26,916-40,411.12-18,576.24

Finding the Fourth Proportional to 26,916, 40,411.12 and 18,576.24

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Solution

The fourth proportional to 26,916, 40,411.12 and 18,576.24 is: 27,889.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,916 : 40,411.12 = 18,576.24 : x
  2. Step 2: Convert to fraction form
    26,916/40,411.12 = 18,576.24/x
  3. Step 3: Cross multiply
    26,916x = 40,411.12 × 18,576.24
  4. Step 4: Simplify right side
    26,916x = 750,686,663.79
  5. Step 5: Solve for x
    x = 750,686,663.79/26,916
  6. Step 6: Final answer
    x = 27,889.98

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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.