Home / 28,748.68-43,108.44-13,152.94

Finding the Fourth Proportional to 28,748.68, 43,108.44 and 13,152.94

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Solution

The fourth proportional to 28,748.68, 43,108.44 and 13,152.94 is: 19,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.68 : 43,108.44 = 13,152.94 : x
  2. Step 2: Convert to fraction form
    28,748.68/43,108.44 = 13,152.94/x
  3. Step 3: Cross multiply
    28,748.68x = 43,108.44 × 13,152.94
  4. Step 4: Simplify right side
    28,748.68x = 567,002,567.72
  5. Step 5: Solve for x
    x = 567,002,567.72/28,748.68
  6. Step 6: Final answer
    x = 19,722.74

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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.