Home / 27,922.50-38,533.05-15,346.98

Finding the Fourth Proportional to 27,922.50, 38,533.05 and 15,346.98

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Solution

The fourth proportional to 27,922.50, 38,533.05 and 15,346.98 is: 21,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.50 : 38,533.05 = 15,346.98 : x
  2. Step 2: Convert to fraction form
    27,922.50/38,533.05 = 15,346.98/x
  3. Step 3: Cross multiply
    27,922.50x = 38,533.05 × 15,346.98
  4. Step 4: Simplify right side
    27,922.50x = 591,365,947.69
  5. Step 5: Solve for x
    x = 591,365,947.69/27,922.50
  6. Step 6: Final answer
    x = 21,178.83

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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.