Home / 28,596.79-39,463.85-15,850.25

Finding the Fourth Proportional to 28,596.79, 39,463.85 and 15,850.25

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Solution

The fourth proportional to 28,596.79, 39,463.85 and 15,850.25 is: 21,873.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596.79 : 39,463.85 = 15,850.25 : x
  2. Step 2: Convert to fraction form
    28,596.79/39,463.85 = 15,850.25/x
  3. Step 3: Cross multiply
    28,596.79x = 39,463.85 × 15,850.25
  4. Step 4: Simplify right side
    28,596.79x = 625,511,888.46
  5. Step 5: Solve for x
    x = 625,511,888.46/28,596.79
  6. Step 6: Final answer
    x = 21,873.50

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Similar ratio
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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.