Home / 28,667.68-39,557.10-16,090

Finding the Fourth Proportional to 28,667.68, 39,557.10 and 16,090

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Solution

The fourth proportional to 28,667.68, 39,557.10 and 16,090 is: 22,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,667.68 : 39,557.10 = 16,090 : x
  2. Step 2: Convert to fraction form
    28,667.68/39,557.10 = 16,090/x
  3. Step 3: Cross multiply
    28,667.68x = 39,557.10 × 16,090
  4. Step 4: Simplify right side
    28,667.68x = 636,473,739
  5. Step 5: Solve for x
    x = 636,473,739/28,667.68
  6. Step 6: Final answer
    x = 22,201.79

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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.