Home / 27,448.32-37,859.58-21,775.11

Finding the Fourth Proportional to 27,448.32, 37,859.58 and 21,775.11

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Solution

The fourth proportional to 27,448.32, 37,859.58 and 21,775.11 is: 30,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,448.32 : 37,859.58 = 21,775.11 : x
  2. Step 2: Convert to fraction form
    27,448.32/37,859.58 = 21,775.11/x
  3. Step 3: Cross multiply
    27,448.32x = 37,859.58 × 21,775.11
  4. Step 4: Simplify right side
    27,448.32x = 824,396,519.05
  5. Step 5: Solve for x
    x = 824,396,519.05/27,448.32
  6. Step 6: Final answer
    x = 30,034.50

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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.