Home / 25,740.96-38,607.60-10,169.28

Finding the Fourth Proportional to 25,740.96, 38,607.60 and 10,169.28

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Solution

The fourth proportional to 25,740.96, 38,607.60 and 10,169.28 is: 15,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.96 : 38,607.60 = 10,169.28 : x
  2. Step 2: Convert to fraction form
    25,740.96/38,607.60 = 10,169.28/x
  3. Step 3: Cross multiply
    25,740.96x = 38,607.60 × 10,169.28
  4. Step 4: Simplify right side
    25,740.96x = 392,611,494.53
  5. Step 5: Solve for x
    x = 392,611,494.53/25,740.96
  6. Step 6: Final answer
    x = 15,252.40

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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.