Home / 28,327.25-39,092.56-15,580.97

Finding the Fourth Proportional to 28,327.25, 39,092.56 and 15,580.97

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Solution

The fourth proportional to 28,327.25, 39,092.56 and 15,580.97 is: 21,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.25 : 39,092.56 = 15,580.97 : x
  2. Step 2: Convert to fraction form
    28,327.25/39,092.56 = 15,580.97/x
  3. Step 3: Cross multiply
    28,327.25x = 39,092.56 × 15,580.97
  4. Step 4: Simplify right side
    28,327.25x = 609,100,004.58
  5. Step 5: Solve for x
    x = 609,100,004.58/28,327.25
  6. Step 6: Final answer
    x = 21,502.26

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1.5x scale

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.