Home / 25,427.92-38,132.52-8,783.68

Finding the Fourth Proportional to 25,427.92, 38,132.52 and 8,783.68

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Solution

The fourth proportional to 25,427.92, 38,132.52 and 8,783.68 is: 13,172.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,427.92 : 38,132.52 = 8,783.68 : x
  2. Step 2: Convert to fraction form
    25,427.92/38,132.52 = 8,783.68/x
  3. Step 3: Cross multiply
    25,427.92x = 38,132.52 × 8,783.68
  4. Step 4: Simplify right side
    25,427.92x = 334,943,853.27
  5. Step 5: Solve for x
    x = 334,943,853.27/25,427.92
  6. Step 6: Final answer
    x = 13,172.29

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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.