Home / 28,511.69-39,135.31-27,293.72

Finding the Fourth Proportional to 28,511.69, 39,135.31 and 27,293.72

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Solution

The fourth proportional to 28,511.69, 39,135.31 and 27,293.72 is: 37,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,511.69 : 39,135.31 = 27,293.72 : x
  2. Step 2: Convert to fraction form
    28,511.69/39,135.31 = 27,293.72/x
  3. Step 3: Cross multiply
    28,511.69x = 39,135.31 × 27,293.72
  4. Step 4: Simplify right side
    28,511.69x = 1,068,147,929.34
  5. Step 5: Solve for x
    x = 1,068,147,929.34/28,511.69
  6. Step 6: Final answer
    x = 37,463.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.