Home / 27,795.75-38,350.56-15,854.73

Finding the Fourth Proportional to 27,795.75, 38,350.56 and 15,854.73

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Solution

The fourth proportional to 27,795.75, 38,350.56 and 15,854.73 is: 21,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.75 : 38,350.56 = 15,854.73 : x
  2. Step 2: Convert to fraction form
    27,795.75/38,350.56 = 15,854.73/x
  3. Step 3: Cross multiply
    27,795.75x = 38,350.56 × 15,854.73
  4. Step 4: Simplify right side
    27,795.75x = 608,037,774.15
  5. Step 5: Solve for x
    x = 608,037,774.15/27,795.75
  6. Step 6: Final answer
    x = 21,875.21

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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.