Home / 27,800.06-38,363.34-15,863.18

Finding the Fourth Proportional to 27,800.06, 38,363.34 and 15,863.18

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Solution

The fourth proportional to 27,800.06, 38,363.34 and 15,863.18 is: 21,890.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800.06 : 38,363.34 = 15,863.18 : x
  2. Step 2: Convert to fraction form
    27,800.06/38,363.34 = 15,863.18/x
  3. Step 3: Cross multiply
    27,800.06x = 38,363.34 × 15,863.18
  4. Step 4: Simplify right side
    27,800.06x = 608,564,567.82
  5. Step 5: Solve for x
    x = 608,564,567.82/27,800.06
  6. Step 6: Final answer
    x = 21,890.76

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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.