Home / 27,906.24-38,510.19-15,972.51

Finding the Fourth Proportional to 27,906.24, 38,510.19 and 15,972.51

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Solution

The fourth proportional to 27,906.24, 38,510.19 and 15,972.51 is: 22,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.24 : 38,510.19 = 15,972.51 : x
  2. Step 2: Convert to fraction form
    27,906.24/38,510.19 = 15,972.51/x
  3. Step 3: Cross multiply
    27,906.24x = 38,510.19 × 15,972.51
  4. Step 4: Simplify right side
    27,906.24x = 615,104,394.88
  5. Step 5: Solve for x
    x = 615,104,394.88/27,906.24
  6. Step 6: Final answer
    x = 22,041.82

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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.