Home / 24,942.21-34,420.45-13,611.79

Finding the Fourth Proportional to 24,942.21, 34,420.45 and 13,611.79

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Solution

The fourth proportional to 24,942.21, 34,420.45 and 13,611.79 is: 18,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,942.21 : 34,420.45 = 13,611.79 : x
  2. Step 2: Convert to fraction form
    24,942.21/34,420.45 = 13,611.79/x
  3. Step 3: Cross multiply
    24,942.21x = 34,420.45 × 13,611.79
  4. Step 4: Simplify right side
    24,942.21x = 468,523,937.11
  5. Step 5: Solve for x
    x = 468,523,937.11/24,942.21
  6. Step 6: Final answer
    x = 18,784.38

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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.