Home / 23,515.67-32,450.39-13,442.78

Finding the Fourth Proportional to 23,515.67, 32,450.39 and 13,442.78

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Solution

The fourth proportional to 23,515.67, 32,450.39 and 13,442.78 is: 18,550.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.67 : 32,450.39 = 13,442.78 : x
  2. Step 2: Convert to fraction form
    23,515.67/32,450.39 = 13,442.78/x
  3. Step 3: Cross multiply
    23,515.67x = 32,450.39 × 13,442.78
  4. Step 4: Simplify right side
    23,515.67x = 436,223,518.01
  5. Step 5: Solve for x
    x = 436,223,518.01/23,515.67
  6. Step 6: Final answer
    x = 18,550.33

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Half scale
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Double scale
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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.