Home / 25,877.48-38,808.08-17,158.64

Finding the Fourth Proportional to 25,877.48, 38,808.08 and 17,158.64

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Solution

The fourth proportional to 25,877.48, 38,808.08 and 17,158.64 is: 25,732.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,877.48 : 38,808.08 = 17,158.64 : x
  2. Step 2: Convert to fraction form
    25,877.48/38,808.08 = 17,158.64/x
  3. Step 3: Cross multiply
    25,877.48x = 38,808.08 × 17,158.64
  4. Step 4: Simplify right side
    25,877.48x = 665,893,873.81
  5. Step 5: Solve for x
    x = 665,893,873.81/25,877.48
  6. Step 6: Final answer
    x = 25,732.56

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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.