Home / 28,663.88-39,556.16-16,088.63

Finding the Fourth Proportional to 28,663.88, 39,556.16 and 16,088.63

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Solution

The fourth proportional to 28,663.88, 39,556.16 and 16,088.63 is: 22,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.88 : 39,556.16 = 16,088.63 : x
  2. Step 2: Convert to fraction form
    28,663.88/39,556.16 = 16,088.63/x
  3. Step 3: Cross multiply
    28,663.88x = 39,556.16 × 16,088.63
  4. Step 4: Simplify right side
    28,663.88x = 636,404,144.24
  5. Step 5: Solve for x
    x = 636,404,144.24/28,663.88
  6. Step 6: Final answer
    x = 22,202.31

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Double scale
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Similar ratio
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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.