Home / 28,463.28-42,696.96-10,933.10

Finding the Fourth Proportional to 28,463.28, 42,696.96 and 10,933.10

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Solution

The fourth proportional to 28,463.28, 42,696.96 and 10,933.10 is: 16,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463.28 : 42,696.96 = 10,933.10 : x
  2. Step 2: Convert to fraction form
    28,463.28/42,696.96 = 10,933.10/x
  3. Step 3: Cross multiply
    28,463.28x = 42,696.96 × 10,933.10
  4. Step 4: Simplify right side
    28,463.28x = 466,810,133.38
  5. Step 5: Solve for x
    x = 466,810,133.38/28,463.28
  6. Step 6: Final answer
    x = 16,400.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.