Home / 25,199.42-37,822.51-12,728.20

Finding the Fourth Proportional to 25,199.42, 37,822.51 and 12,728.20

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Solution

The fourth proportional to 25,199.42, 37,822.51 and 12,728.20 is: 19,104.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,199.42 : 37,822.51 = 12,728.20 : x
  2. Step 2: Convert to fraction form
    25,199.42/37,822.51 = 12,728.20/x
  3. Step 3: Cross multiply
    25,199.42x = 37,822.51 × 12,728.20
  4. Step 4: Simplify right side
    25,199.42x = 481,412,471.78
  5. Step 5: Solve for x
    x = 481,412,471.78/25,199.42
  6. Step 6: Final answer
    x = 19,104.11

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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.