Home / 28,637.14-39,511.16-18,566

Finding the Fourth Proportional to 28,637.14, 39,511.16 and 18,566

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Solution

The fourth proportional to 28,637.14, 39,511.16 and 18,566 is: 25,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637.14 : 39,511.16 = 18,566 : x
  2. Step 2: Convert to fraction form
    28,637.14/39,511.16 = 18,566/x
  3. Step 3: Cross multiply
    28,637.14x = 39,511.16 × 18,566
  4. Step 4: Simplify right side
    28,637.14x = 733,564,196.56
  5. Step 5: Solve for x
    x = 733,564,196.56/28,637.14
  6. Step 6: Final answer
    x = 25,615.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.