Home / 19,039.96-28,510.26-15,321.88

Finding the Fourth Proportional to 19,039.96, 28,510.26 and 15,321.88

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Solution

The fourth proportional to 19,039.96, 28,510.26 and 15,321.88 is: 22,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.96 : 28,510.26 = 15,321.88 : x
  2. Step 2: Convert to fraction form
    19,039.96/28,510.26 = 15,321.88/x
  3. Step 3: Cross multiply
    19,039.96x = 28,510.26 × 15,321.88
  4. Step 4: Simplify right side
    19,039.96x = 436,830,782.49
  5. Step 5: Solve for x
    x = 436,830,782.49/19,039.96
  6. Step 6: Final answer
    x = 22,942.84

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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.