Home / 27,993.74-38,632.18-15,247.76

Finding the Fourth Proportional to 27,993.74, 38,632.18 and 15,247.76

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Solution

The fourth proportional to 27,993.74, 38,632.18 and 15,247.76 is: 21,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,993.74 : 38,632.18 = 15,247.76 : x
  2. Step 2: Convert to fraction form
    27,993.74/38,632.18 = 15,247.76/x
  3. Step 3: Cross multiply
    27,993.74x = 38,632.18 × 15,247.76
  4. Step 4: Simplify right side
    27,993.74x = 589,054,208.92
  5. Step 5: Solve for x
    x = 589,054,208.92/27,993.74
  6. Step 6: Final answer
    x = 21,042.35

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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.