Home / 28,057.73-41,994.43-21,358.07

Finding the Fourth Proportional to 28,057.73, 41,994.43 and 21,358.07

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Solution

The fourth proportional to 28,057.73, 41,994.43 and 21,358.07 is: 31,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.73 : 41,994.43 = 21,358.07 : x
  2. Step 2: Convert to fraction form
    28,057.73/41,994.43 = 21,358.07/x
  3. Step 3: Cross multiply
    28,057.73x = 41,994.43 × 21,358.07
  4. Step 4: Simplify right side
    28,057.73x = 896,919,712.18
  5. Step 5: Solve for x
    x = 896,919,712.18/28,057.73
  6. Step 6: Final answer
    x = 31,966.94

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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.