Home / 39,809.91-59,725.13-28,578.27

Finding the Fourth Proportional to 39,809.91, 59,725.13 and 28,578.27

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Solution

The fourth proportional to 39,809.91, 59,725.13 and 28,578.27 is: 42,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,809.91 : 59,725.13 = 28,578.27 : x
  2. Step 2: Convert to fraction form
    39,809.91/59,725.13 = 28,578.27/x
  3. Step 3: Cross multiply
    39,809.91x = 59,725.13 × 28,578.27
  4. Step 4: Simplify right side
    39,809.91x = 1,706,840,748.03
  5. Step 5: Solve for x
    x = 1,706,840,748.03/39,809.91
  6. Step 6: Final answer
    x = 42,874.77

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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.