Home / 23,105.39-31,894.56-15,573.20

Finding the Fourth Proportional to 23,105.39, 31,894.56 and 15,573.20

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Solution

The fourth proportional to 23,105.39, 31,894.56 and 15,573.20 is: 21,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,105.39 : 31,894.56 = 15,573.20 : x
  2. Step 2: Convert to fraction form
    23,105.39/31,894.56 = 15,573.20/x
  3. Step 3: Cross multiply
    23,105.39x = 31,894.56 × 15,573.20
  4. Step 4: Simplify right side
    23,105.39x = 496,700,202.32
  5. Step 5: Solve for x
    x = 496,700,202.32/23,105.39
  6. Step 6: Final answer
    x = 21,497.16

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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.