Home / 28,203.33-42,258.83-17,113.42

Finding the Fourth Proportional to 28,203.33, 42,258.83 and 17,113.42

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Solution

The fourth proportional to 28,203.33, 42,258.83 and 17,113.42 is: 25,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203.33 : 42,258.83 = 17,113.42 : x
  2. Step 2: Convert to fraction form
    28,203.33/42,258.83 = 17,113.42/x
  3. Step 3: Cross multiply
    28,203.33x = 42,258.83 × 17,113.42
  4. Step 4: Simplify right side
    28,203.33x = 723,192,915.28
  5. Step 5: Solve for x
    x = 723,192,915.28/28,203.33
  6. Step 6: Final answer
    x = 25,642.11

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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.