Home / 28,468.17-39,286.08-15,892.92

Finding the Fourth Proportional to 28,468.17, 39,286.08 and 15,892.92

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Solution

The fourth proportional to 28,468.17, 39,286.08 and 15,892.92 is: 21,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468.17 : 39,286.08 = 15,892.92 : x
  2. Step 2: Convert to fraction form
    28,468.17/39,286.08 = 15,892.92/x
  3. Step 3: Cross multiply
    28,468.17x = 39,286.08 × 15,892.92
  4. Step 4: Simplify right side
    28,468.17x = 624,370,526.55
  5. Step 5: Solve for x
    x = 624,370,526.55/28,468.17
  6. Step 6: Final answer
    x = 21,932.23

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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.