Home / 28,263.24-42,392.40-10,733.20

Finding the Fourth Proportional to 28,263.24, 42,392.40 and 10,733.20

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Solution

The fourth proportional to 28,263.24, 42,392.40 and 10,733.20 is: 16,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.24 : 42,392.40 = 10,733.20 : x
  2. Step 2: Convert to fraction form
    28,263.24/42,392.40 = 10,733.20/x
  3. Step 3: Cross multiply
    28,263.24x = 42,392.40 × 10,733.20
  4. Step 4: Simplify right side
    28,263.24x = 455,006,107.68
  5. Step 5: Solve for x
    x = 455,006,107.68/28,263.24
  6. Step 6: Final answer
    x = 16,098.87

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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.