Home / 28,805.47-39,748.35-16,057.69

Finding the Fourth Proportional to 28,805.47, 39,748.35 and 16,057.69

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Solution

The fourth proportional to 28,805.47, 39,748.35 and 16,057.69 is: 22,157.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,805.47 : 39,748.35 = 16,057.69 : x
  2. Step 2: Convert to fraction form
    28,805.47/39,748.35 = 16,057.69/x
  3. Step 3: Cross multiply
    28,805.47x = 39,748.35 × 16,057.69
  4. Step 4: Simplify right side
    28,805.47x = 638,266,731.25
  5. Step 5: Solve for x
    x = 638,266,731.25/28,805.47
  6. Step 6: Final answer
    x = 22,157.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.