Home / 27,793.16-38,356.58-15,856.76

Finding the Fourth Proportional to 27,793.16, 38,356.58 and 15,856.76

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Solution

The fourth proportional to 27,793.16, 38,356.58 and 15,856.76 is: 21,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.16 : 38,356.58 = 15,856.76 : x
  2. Step 2: Convert to fraction form
    27,793.16/38,356.58 = 15,856.76/x
  3. Step 3: Cross multiply
    27,793.16x = 38,356.58 × 15,856.76
  4. Step 4: Simplify right side
    27,793.16x = 608,211,083.48
  5. Step 5: Solve for x
    x = 608,211,083.48/27,793.16
  6. Step 6: Final answer
    x = 21,883.48

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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.