Home / 27,313.17-37,695.78-15,378.84

Finding the Fourth Proportional to 27,313.17, 37,695.78 and 15,378.84

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Solution

The fourth proportional to 27,313.17, 37,695.78 and 15,378.84 is: 21,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.17 : 37,695.78 = 15,378.84 : x
  2. Step 2: Convert to fraction form
    27,313.17/37,695.78 = 15,378.84/x
  3. Step 3: Cross multiply
    27,313.17x = 37,695.78 × 15,378.84
  4. Step 4: Simplify right side
    27,313.17x = 579,717,369.30
  5. Step 5: Solve for x
    x = 579,717,369.30/27,313.17
  6. Step 6: Final answer
    x = 21,224.83

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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.