Home / 28,224.98-38,952.23-15,649.73

Finding the Fourth Proportional to 28,224.98, 38,952.23 and 15,649.73

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Solution

The fourth proportional to 28,224.98, 38,952.23 and 15,649.73 is: 21,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.98 : 38,952.23 = 15,649.73 : x
  2. Step 2: Convert to fraction form
    28,224.98/38,952.23 = 15,649.73/x
  3. Step 3: Cross multiply
    28,224.98x = 38,952.23 × 15,649.73
  4. Step 4: Simplify right side
    28,224.98x = 609,591,882.40
  5. Step 5: Solve for x
    x = 609,591,882.40/28,224.98
  6. Step 6: Final answer
    x = 21,597.60

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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.