Home / 21,489.37-32,202.90-15,261.58

Finding the Fourth Proportional to 21,489.37, 32,202.90 and 15,261.58

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Solution

The fourth proportional to 21,489.37, 32,202.90 and 15,261.58 is: 22,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,489.37 : 32,202.90 = 15,261.58 : x
  2. Step 2: Convert to fraction form
    21,489.37/32,202.90 = 15,261.58/x
  3. Step 3: Cross multiply
    21,489.37x = 32,202.90 × 15,261.58
  4. Step 4: Simplify right side
    21,489.37x = 491,467,134.58
  5. Step 5: Solve for x
    x = 491,467,134.58/21,489.37
  6. Step 6: Final answer
    x = 22,870.24

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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.