Home / 25,933.29-35,788.64-15,861.54

Finding the Fourth Proportional to 25,933.29, 35,788.64 and 15,861.54

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Solution

The fourth proportional to 25,933.29, 35,788.64 and 15,861.54 is: 21,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,933.29 : 35,788.64 = 15,861.54 : x
  2. Step 2: Convert to fraction form
    25,933.29/35,788.64 = 15,861.54/x
  3. Step 3: Cross multiply
    25,933.29x = 35,788.64 × 15,861.54
  4. Step 4: Simplify right side
    25,933.29x = 567,662,944.91
  5. Step 5: Solve for x
    x = 567,662,944.91/25,933.29
  6. Step 6: Final answer
    x = 21,889.35

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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.