Home / 27,906.12-38,510.75-15,159.46

Finding the Fourth Proportional to 27,906.12, 38,510.75 and 15,159.46

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Solution

The fourth proportional to 27,906.12, 38,510.75 and 15,159.46 is: 20,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.12 : 38,510.75 = 15,159.46 : x
  2. Step 2: Convert to fraction form
    27,906.12/38,510.75 = 15,159.46/x
  3. Step 3: Cross multiply
    27,906.12x = 38,510.75 × 15,159.46
  4. Step 4: Simplify right side
    27,906.12x = 583,802,174.20
  5. Step 5: Solve for x
    x = 583,802,174.20/27,906.12
  6. Step 6: Final answer
    x = 20,920.22

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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.