Home / 19,979.37-27,570.72-11,026.71

Finding the Fourth Proportional to 19,979.37, 27,570.72 and 11,026.71

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Solution

The fourth proportional to 19,979.37, 27,570.72 and 11,026.71 is: 15,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.37 : 27,570.72 = 11,026.71 : x
  2. Step 2: Convert to fraction form
    19,979.37/27,570.72 = 11,026.71/x
  3. Step 3: Cross multiply
    19,979.37x = 27,570.72 × 11,026.71
  4. Step 4: Simplify right side
    19,979.37x = 304,014,333.93
  5. Step 5: Solve for x
    x = 304,014,333.93/19,979.37
  6. Step 6: Final answer
    x = 15,216.41

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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.