Home / 20,006.40-27,608.32-11,053.28

Finding the Fourth Proportional to 20,006.40, 27,608.32 and 11,053.28

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Solution

The fourth proportional to 20,006.40, 27,608.32 and 11,053.28 is: 15,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.40 : 27,608.32 = 11,053.28 : x
  2. Step 2: Convert to fraction form
    20,006.40/27,608.32 = 11,053.28/x
  3. Step 3: Cross multiply
    20,006.40x = 27,608.32 × 11,053.28
  4. Step 4: Simplify right side
    20,006.40x = 305,162,491.29
  5. Step 5: Solve for x
    x = 305,162,491.29/20,006.40
  6. Step 6: Final answer
    x = 15,253.24

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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.