Home / 20,237.74-27,928.24-11,285.82

Finding the Fourth Proportional to 20,237.74, 27,928.24 and 11,285.82

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Solution

The fourth proportional to 20,237.74, 27,928.24 and 11,285.82 is: 15,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.74 : 27,928.24 = 11,285.82 : x
  2. Step 2: Convert to fraction form
    20,237.74/27,928.24 = 11,285.82/x
  3. Step 3: Cross multiply
    20,237.74x = 27,928.24 × 11,285.82
  4. Step 4: Simplify right side
    20,237.74x = 315,193,061.34
  5. Step 5: Solve for x
    x = 315,193,061.34/20,237.74
  6. Step 6: Final answer
    x = 15,574.52

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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.