Home / 25,242.42-37,821.78-15,351.78

Finding the Fourth Proportional to 25,242.42, 37,821.78 and 15,351.78

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Solution

The fourth proportional to 25,242.42, 37,821.78 and 15,351.78 is: 23,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,242.42 : 37,821.78 = 15,351.78 : x
  2. Step 2: Convert to fraction form
    25,242.42/37,821.78 = 15,351.78/x
  3. Step 3: Cross multiply
    25,242.42x = 37,821.78 × 15,351.78
  4. Step 4: Simplify right side
    25,242.42x = 580,631,645.77
  5. Step 5: Solve for x
    x = 580,631,645.77/25,242.42
  6. Step 6: Final answer
    x = 23,002.22

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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.