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Finding the Fourth Proportional to 22,788.34, 34,188.01 and 8,556.93

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Solution

The fourth proportional to 22,788.34, 34,188.01 and 8,556.93 is: 12,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,788.34 : 34,188.01 = 8,556.93 : x
  2. Step 2: Convert to fraction form
    22,788.34/34,188.01 = 8,556.93/x
  3. Step 3: Cross multiply
    22,788.34x = 34,188.01 × 8,556.93
  4. Step 4: Simplify right side
    22,788.34x = 292,544,387.02
  5. Step 5: Solve for x
    x = 292,544,387.02/22,788.34
  6. Step 6: Final answer
    x = 12,837.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.