Home / 21,521.46-32,250.99-15,293.79

Finding the Fourth Proportional to 21,521.46, 32,250.99 and 15,293.79

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Solution

The fourth proportional to 21,521.46, 32,250.99 and 15,293.79 is: 22,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521.46 : 32,250.99 = 15,293.79 : x
  2. Step 2: Convert to fraction form
    21,521.46/32,250.99 = 15,293.79/x
  3. Step 3: Cross multiply
    21,521.46x = 32,250.99 × 15,293.79
  4. Step 4: Simplify right side
    21,521.46x = 493,239,868.35
  5. Step 5: Solve for x
    x = 493,239,868.35/21,521.46
  6. Step 6: Final answer
    x = 22,918.51

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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.