Home / 20,053.60-27,674.31-10,979.76

Finding the Fourth Proportional to 20,053.60, 27,674.31 and 10,979.76

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Solution

The fourth proportional to 20,053.60, 27,674.31 and 10,979.76 is: 15,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.60 : 27,674.31 = 10,979.76 : x
  2. Step 2: Convert to fraction form
    20,053.60/27,674.31 = 10,979.76/x
  3. Step 3: Cross multiply
    20,053.60x = 27,674.31 × 10,979.76
  4. Step 4: Simplify right side
    20,053.60x = 303,857,281.97
  5. Step 5: Solve for x
    x = 303,857,281.97/20,053.60
  6. Step 6: Final answer
    x = 15,152.26

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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.