Home / 25,460.96-38,177.55-8,819.60

Finding the Fourth Proportional to 25,460.96, 38,177.55 and 8,819.60

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Solution

The fourth proportional to 25,460.96, 38,177.55 and 8,819.60 is: 13,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,460.96 : 38,177.55 = 8,819.60 : x
  2. Step 2: Convert to fraction form
    25,460.96/38,177.55 = 8,819.60/x
  3. Step 3: Cross multiply
    25,460.96x = 38,177.55 × 8,819.60
  4. Step 4: Simplify right side
    25,460.96x = 336,710,529.09
  5. Step 5: Solve for x
    x = 336,710,529.09/25,460.96
  6. Step 6: Final answer
    x = 13,224.58

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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.