Home / 27,708.08-38,211.19-22,061.48

Finding the Fourth Proportional to 27,708.08, 38,211.19 and 22,061.48

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Solution

The fourth proportional to 27,708.08, 38,211.19 and 22,061.48 is: 30,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708.08 : 38,211.19 = 22,061.48 : x
  2. Step 2: Convert to fraction form
    27,708.08/38,211.19 = 22,061.48/x
  3. Step 3: Cross multiply
    27,708.08x = 38,211.19 × 22,061.48
  4. Step 4: Simplify right side
    27,708.08x = 842,995,157.75
  5. Step 5: Solve for x
    x = 842,995,157.75/27,708.08
  6. Step 6: Final answer
    x = 30,424.17

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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.