Home / 28,665.68-39,556.47-16,088

Finding the Fourth Proportional to 28,665.68, 39,556.47 and 16,088

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Solution

The fourth proportional to 28,665.68, 39,556.47 and 16,088 is: 22,200.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665.68 : 39,556.47 = 16,088 : x
  2. Step 2: Convert to fraction form
    28,665.68/39,556.47 = 16,088/x
  3. Step 3: Cross multiply
    28,665.68x = 39,556.47 × 16,088
  4. Step 4: Simplify right side
    28,665.68x = 636,384,489.36
  5. Step 5: Solve for x
    x = 636,384,489.36/28,665.68
  6. Step 6: Final answer
    x = 22,200.22

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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.