Home / 27,418.80-37,786.08-19,852.32

Finding the Fourth Proportional to 27,418.80, 37,786.08 and 19,852.32

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Solution

The fourth proportional to 27,418.80, 37,786.08 and 19,852.32 is: 27,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.80 : 37,786.08 = 19,852.32 : x
  2. Step 2: Convert to fraction form
    27,418.80/37,786.08 = 19,852.32/x
  3. Step 3: Cross multiply
    27,418.80x = 37,786.08 × 19,852.32
  4. Step 4: Simplify right side
    27,418.80x = 750,141,351.71
  5. Step 5: Solve for x
    x = 750,141,351.71/27,418.80
  6. Step 6: Final answer
    x = 27,358.65

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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.