Home / 28,663.89-39,556.14-16,088.64

Finding the Fourth Proportional to 28,663.89, 39,556.14 and 16,088.64

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Solution

The fourth proportional to 28,663.89, 39,556.14 and 16,088.64 is: 22,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.89 : 39,556.14 = 16,088.64 : x
  2. Step 2: Convert to fraction form
    28,663.89/39,556.14 = 16,088.64/x
  3. Step 3: Cross multiply
    28,663.89x = 39,556.14 × 16,088.64
  4. Step 4: Simplify right side
    28,663.89x = 636,404,496.25
  5. Step 5: Solve for x
    x = 636,404,496.25/28,663.89
  6. Step 6: Final answer
    x = 22,202.31

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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.