Home / 24,261.53-33,396.71-20,915.42

Finding the Fourth Proportional to 24,261.53, 33,396.71 and 20,915.42

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Solution

The fourth proportional to 24,261.53, 33,396.71 and 20,915.42 is: 28,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,261.53 : 33,396.71 = 20,915.42 : x
  2. Step 2: Convert to fraction form
    24,261.53/33,396.71 = 20,915.42/x
  3. Step 3: Cross multiply
    24,261.53x = 33,396.71 × 20,915.42
  4. Step 4: Simplify right side
    24,261.53x = 698,505,944.71
  5. Step 5: Solve for x
    x = 698,505,944.71/24,261.53
  6. Step 6: Final answer
    x = 28,790.69

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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.