Home / 28,263.11-42,394.61-10,732.91

Finding the Fourth Proportional to 28,263.11, 42,394.61 and 10,732.91

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Solution

The fourth proportional to 28,263.11, 42,394.61 and 10,732.91 is: 16,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.11 : 42,394.61 = 10,732.91 : x
  2. Step 2: Convert to fraction form
    28,263.11/42,394.61 = 10,732.91/x
  3. Step 3: Cross multiply
    28,263.11x = 42,394.61 × 10,732.91
  4. Step 4: Simplify right side
    28,263.11x = 455,017,348.47
  5. Step 5: Solve for x
    x = 455,017,348.47/28,263.11
  6. Step 6: Final answer
    x = 16,099.34

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1.5x scale

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.