Home / 19,932.32-27,505.59-10,979.63

Finding the Fourth Proportional to 19,932.32, 27,505.59 and 10,979.63

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Solution

The fourth proportional to 19,932.32, 27,505.59 and 10,979.63 is: 15,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.32 : 27,505.59 = 10,979.63 : x
  2. Step 2: Convert to fraction form
    19,932.32/27,505.59 = 10,979.63/x
  3. Step 3: Cross multiply
    19,932.32x = 27,505.59 × 10,979.63
  4. Step 4: Simplify right side
    19,932.32x = 302,001,063.60
  5. Step 5: Solve for x
    x = 302,001,063.60/19,932.32
  6. Step 6: Final answer
    x = 15,151.33

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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.