Home / 27,419.32-37,838.37-15,481.95

Finding the Fourth Proportional to 27,419.32, 37,838.37 and 15,481.95

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Solution

The fourth proportional to 27,419.32, 37,838.37 and 15,481.95 is: 21,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.32 : 37,838.37 = 15,481.95 : x
  2. Step 2: Convert to fraction form
    27,419.32/37,838.37 = 15,481.95/x
  3. Step 3: Cross multiply
    27,419.32x = 37,838.37 × 15,481.95
  4. Step 4: Simplify right side
    27,419.32x = 585,811,752.42
  5. Step 5: Solve for x
    x = 585,811,752.42/27,419.32
  6. Step 6: Final answer
    x = 21,364.93

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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.