Home / 28,571.88-39,430.82-15,996.52

Finding the Fourth Proportional to 28,571.88, 39,430.82 and 15,996.52

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Solution

The fourth proportional to 28,571.88, 39,430.82 and 15,996.52 is: 22,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571.88 : 39,430.82 = 15,996.52 : x
  2. Step 2: Convert to fraction form
    28,571.88/39,430.82 = 15,996.52/x
  3. Step 3: Cross multiply
    28,571.88x = 39,430.82 × 15,996.52
  4. Step 4: Simplify right side
    28,571.88x = 630,755,900.75
  5. Step 5: Solve for x
    x = 630,755,900.75/28,571.88
  6. Step 6: Final answer
    x = 22,076.11

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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.