Home / 28,552-39,401.76-15,979.18

Finding the Fourth Proportional to 28,552, 39,401.76 and 15,979.18

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Solution

The fourth proportional to 28,552, 39,401.76 and 15,979.18 is: 22,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552 : 39,401.76 = 15,979.18 : x
  2. Step 2: Convert to fraction form
    28,552/39,401.76 = 15,979.18/x
  3. Step 3: Cross multiply
    28,552x = 39,401.76 × 15,979.18
  4. Step 4: Simplify right side
    28,552x = 629,607,815.36
  5. Step 5: Solve for x
    x = 629,607,815.36/28,552
  6. Step 6: Final answer
    x = 22,051.27

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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.