Home / 27,826.84-38,402.91-15,723.13

Finding the Fourth Proportional to 27,826.84, 38,402.91 and 15,723.13

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Solution

The fourth proportional to 27,826.84, 38,402.91 and 15,723.13 is: 21,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,826.84 : 38,402.91 = 15,723.13 : x
  2. Step 2: Convert to fraction form
    27,826.84/38,402.91 = 15,723.13/x
  3. Step 3: Cross multiply
    27,826.84x = 38,402.91 × 15,723.13
  4. Step 4: Simplify right side
    27,826.84x = 603,813,922.31
  5. Step 5: Solve for x
    x = 603,813,922.31/27,826.84
  6. Step 6: Final answer
    x = 21,698.97

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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.