Home / 20,533.41-28,336.11-11,101.97

Finding the Fourth Proportional to 20,533.41, 28,336.11 and 11,101.97

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Solution

The fourth proportional to 20,533.41, 28,336.11 and 11,101.97 is: 15,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533.41 : 28,336.11 = 11,101.97 : x
  2. Step 2: Convert to fraction form
    20,533.41/28,336.11 = 11,101.97/x
  3. Step 3: Cross multiply
    20,533.41x = 28,336.11 × 11,101.97
  4. Step 4: Simplify right side
    20,533.41x = 314,586,643.14
  5. Step 5: Solve for x
    x = 314,586,643.14/20,533.41
  6. Step 6: Final answer
    x = 15,320.72

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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.