Home / 20,225.94-27,912.75-11,273.50

Finding the Fourth Proportional to 20,225.94, 27,912.75 and 11,273.50

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Solution

The fourth proportional to 20,225.94, 27,912.75 and 11,273.50 is: 15,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.94 : 27,912.75 = 11,273.50 : x
  2. Step 2: Convert to fraction form
    20,225.94/27,912.75 = 11,273.50/x
  3. Step 3: Cross multiply
    20,225.94x = 27,912.75 × 11,273.50
  4. Step 4: Simplify right side
    20,225.94x = 314,674,330.76
  5. Step 5: Solve for x
    x = 314,674,330.76/20,225.94
  6. Step 6: Final answer
    x = 15,557.96

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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.