Home / 36,426.72-54,666-28,115.04

Finding the Fourth Proportional to 36,426.72, 54,666 and 28,115.04

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Solution

The fourth proportional to 36,426.72, 54,666 and 28,115.04 is: 42,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,426.72 : 54,666 = 28,115.04 : x
  2. Step 2: Convert to fraction form
    36,426.72/54,666 = 28,115.04/x
  3. Step 3: Cross multiply
    36,426.72x = 54,666 × 28,115.04
  4. Step 4: Simplify right side
    36,426.72x = 1,536,936,776.64
  5. Step 5: Solve for x
    x = 1,536,936,776.64/36,426.72
  6. Step 6: Final answer
    x = 42,192.57

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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.