Home / 23,265.39-32,121.64-17,878.20

Finding the Fourth Proportional to 23,265.39, 32,121.64 and 17,878.20

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Solution

The fourth proportional to 23,265.39, 32,121.64 and 17,878.20 is: 24,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,265.39 : 32,121.64 = 17,878.20 : x
  2. Step 2: Convert to fraction form
    23,265.39/32,121.64 = 17,878.20/x
  3. Step 3: Cross multiply
    23,265.39x = 32,121.64 × 17,878.20
  4. Step 4: Simplify right side
    23,265.39x = 574,277,104.25
  5. Step 5: Solve for x
    x = 574,277,104.25/23,265.39
  6. Step 6: Final answer
    x = 24,683.75

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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.