Home / 20,528.44-28,329.24-11,097

Finding the Fourth Proportional to 20,528.44, 28,329.24 and 11,097

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Solution

The fourth proportional to 20,528.44, 28,329.24 and 11,097 is: 15,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,528.44 : 28,329.24 = 11,097 : x
  2. Step 2: Convert to fraction form
    20,528.44/28,329.24 = 11,097/x
  3. Step 3: Cross multiply
    20,528.44x = 28,329.24 × 11,097
  4. Step 4: Simplify right side
    20,528.44x = 314,369,617.89
  5. Step 5: Solve for x
    x = 314,369,617.89/20,528.44
  6. Step 6: Final answer
    x = 15,313.86

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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.