Home / 27,856.82-38,416.30-22,210.34

Finding the Fourth Proportional to 27,856.82, 38,416.30 and 22,210.34

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Solution

The fourth proportional to 27,856.82, 38,416.30 and 22,210.34 is: 30,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,856.82 : 38,416.30 = 22,210.34 : x
  2. Step 2: Convert to fraction form
    27,856.82/38,416.30 = 22,210.34/x
  3. Step 3: Cross multiply
    27,856.82x = 38,416.30 × 22,210.34
  4. Step 4: Simplify right side
    27,856.82x = 853,238,836.93
  5. Step 5: Solve for x
    x = 853,238,836.93/27,856.82
  6. Step 6: Final answer
    x = 30,629.45

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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.