Home / 20,528.27-28,329.01-11,096.83

Finding the Fourth Proportional to 20,528.27, 28,329.01 and 11,096.83

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Solution

The fourth proportional to 20,528.27, 28,329.01 and 11,096.83 is: 15,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,528.27 : 28,329.01 = 11,096.83 : x
  2. Step 2: Convert to fraction form
    20,528.27/28,329.01 = 11,096.83/x
  3. Step 3: Cross multiply
    20,528.27x = 28,329.01 × 11,096.83
  4. Step 4: Simplify right side
    20,528.27x = 314,362,208.04
  5. Step 5: Solve for x
    x = 314,362,208.04/20,528.27
  6. Step 6: Final answer
    x = 15,313.62

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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.