Home / 21,600.75-29,819.04-15,232.53

Finding the Fourth Proportional to 21,600.75, 29,819.04 and 15,232.53

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Solution

The fourth proportional to 21,600.75, 29,819.04 and 15,232.53 is: 21,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.75 : 29,819.04 = 15,232.53 : x
  2. Step 2: Convert to fraction form
    21,600.75/29,819.04 = 15,232.53/x
  3. Step 3: Cross multiply
    21,600.75x = 29,819.04 × 15,232.53
  4. Step 4: Simplify right side
    21,600.75x = 454,219,421.37
  5. Step 5: Solve for x
    x = 454,219,421.37/21,600.75
  6. Step 6: Final answer
    x = 21,027.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.