Home / 27,795.92-38,360.56-15,856.52

Finding the Fourth Proportional to 27,795.92, 38,360.56 and 15,856.52

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Solution

The fourth proportional to 27,795.92, 38,360.56 and 15,856.52 is: 21,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.92 : 38,360.56 = 15,856.52 : x
  2. Step 2: Convert to fraction form
    27,795.92/38,360.56 = 15,856.52/x
  3. Step 3: Cross multiply
    27,795.92x = 38,360.56 × 15,856.52
  4. Step 4: Simplify right side
    27,795.92x = 608,264,986.85
  5. Step 5: Solve for x
    x = 608,264,986.85/27,795.92
  6. Step 6: Final answer
    x = 21,883.25

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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.