Home / 28,536.11-42,810.01-9,813.71

Finding the Fourth Proportional to 28,536.11, 42,810.01 and 9,813.71

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Solution

The fourth proportional to 28,536.11, 42,810.01 and 9,813.71 is: 14,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,536.11 : 42,810.01 = 9,813.71 : x
  2. Step 2: Convert to fraction form
    28,536.11/42,810.01 = 9,813.71/x
  3. Step 3: Cross multiply
    28,536.11x = 42,810.01 × 9,813.71
  4. Step 4: Simplify right side
    28,536.11x = 420,125,105.73
  5. Step 5: Solve for x
    x = 420,125,105.73/28,536.11
  6. Step 6: Final answer
    x = 14,722.58

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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.