Home / 28,663.88-39,556.15-16,092.68

Finding the Fourth Proportional to 28,663.88, 39,556.15 and 16,092.68

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Solution

The fourth proportional to 28,663.88, 39,556.15 and 16,092.68 is: 22,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.88 : 39,556.15 = 16,092.68 : x
  2. Step 2: Convert to fraction form
    28,663.88/39,556.15 = 16,092.68/x
  3. Step 3: Cross multiply
    28,663.88x = 39,556.15 × 16,092.68
  4. Step 4: Simplify right side
    28,663.88x = 636,564,225.97
  5. Step 5: Solve for x
    x = 636,564,225.97/28,663.88
  6. Step 6: Final answer
    x = 22,207.89

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1.5x scale

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.