Home / 21,076.73-31,594.80-7,026.97

Finding the Fourth Proportional to 21,076.73, 31,594.80 and 7,026.97

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Solution

The fourth proportional to 21,076.73, 31,594.80 and 7,026.97 is: 10,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,076.73 : 31,594.80 = 7,026.97 : x
  2. Step 2: Convert to fraction form
    21,076.73/31,594.80 = 7,026.97/x
  3. Step 3: Cross multiply
    21,076.73x = 31,594.80 × 7,026.97
  4. Step 4: Simplify right side
    21,076.73x = 222,015,711.76
  5. Step 5: Solve for x
    x = 222,015,711.76/21,076.73
  6. Step 6: Final answer
    x = 10,533.69

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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.