Home / 26,106.38-39,161.16-7,387.84

Finding the Fourth Proportional to 26,106.38, 39,161.16 and 7,387.84

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Solution

The fourth proportional to 26,106.38, 39,161.16 and 7,387.84 is: 11,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,106.38 : 39,161.16 = 7,387.84 : x
  2. Step 2: Convert to fraction form
    26,106.38/39,161.16 = 7,387.84/x
  3. Step 3: Cross multiply
    26,106.38x = 39,161.16 × 7,387.84
  4. Step 4: Simplify right side
    26,106.38x = 289,316,384.29
  5. Step 5: Solve for x
    x = 289,316,384.29/26,106.38
  6. Step 6: Final answer
    x = 11,082.21

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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.