Home / 24,781.98-34,190.81-15,834.72

Finding the Fourth Proportional to 24,781.98, 34,190.81 and 15,834.72

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Solution

The fourth proportional to 24,781.98, 34,190.81 and 15,834.72 is: 21,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,781.98 : 34,190.81 = 15,834.72 : x
  2. Step 2: Convert to fraction form
    24,781.98/34,190.81 = 15,834.72/x
  3. Step 3: Cross multiply
    24,781.98x = 34,190.81 × 15,834.72
  4. Step 4: Simplify right side
    24,781.98x = 541,401,823.75
  5. Step 5: Solve for x
    x = 541,401,823.75/24,781.98
  6. Step 6: Final answer
    x = 21,846.59

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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.