Home / 17,181.52-25,720.40-15,538.84

Finding the Fourth Proportional to 17,181.52, 25,720.40 and 15,538.84

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Solution

The fourth proportional to 17,181.52, 25,720.40 and 15,538.84 is: 23,261.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,181.52 : 25,720.40 = 15,538.84 : x
  2. Step 2: Convert to fraction form
    17,181.52/25,720.40 = 15,538.84/x
  3. Step 3: Cross multiply
    17,181.52x = 25,720.40 × 15,538.84
  4. Step 4: Simplify right side
    17,181.52x = 399,665,180.34
  5. Step 5: Solve for x
    x = 399,665,180.34/17,181.52
  6. Step 6: Final answer
    x = 23,261.34

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1.5x scale

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.