Home / 19,879.52-27,434.32-10,927.28

Finding the Fourth Proportional to 19,879.52, 27,434.32 and 10,927.28

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Solution

The fourth proportional to 19,879.52, 27,434.32 and 10,927.28 is: 15,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879.52 : 27,434.32 = 10,927.28 : x
  2. Step 2: Convert to fraction form
    19,879.52/27,434.32 = 10,927.28/x
  3. Step 3: Cross multiply
    19,879.52x = 27,434.32 × 10,927.28
  4. Step 4: Simplify right side
    19,879.52x = 299,782,496.25
  5. Step 5: Solve for x
    x = 299,782,496.25/19,879.52
  6. Step 6: Final answer
    x = 15,079.97

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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.