Home / 28,097.54-42,146.31-15,611.59

Finding the Fourth Proportional to 28,097.54, 42,146.31 and 15,611.59

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Solution

The fourth proportional to 28,097.54, 42,146.31 and 15,611.59 is: 23,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.54 : 42,146.31 = 15,611.59 : x
  2. Step 2: Convert to fraction form
    28,097.54/42,146.31 = 15,611.59/x
  3. Step 3: Cross multiply
    28,097.54x = 42,146.31 × 15,611.59
  4. Step 4: Simplify right side
    28,097.54x = 657,970,911.73
  5. Step 5: Solve for x
    x = 657,970,911.73/28,097.54
  6. Step 6: Final answer
    x = 23,417.39

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Half scale
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Double scale
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Similar ratio
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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.