Home / 27,788.40-41,688.57-15,947.64

Finding the Fourth Proportional to 27,788.40, 41,688.57 and 15,947.64

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Solution

The fourth proportional to 27,788.40, 41,688.57 and 15,947.64 is: 23,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788.40 : 41,688.57 = 15,947.64 : x
  2. Step 2: Convert to fraction form
    27,788.40/41,688.57 = 15,947.64/x
  3. Step 3: Cross multiply
    27,788.40x = 41,688.57 × 15,947.64
  4. Step 4: Simplify right side
    27,788.40x = 664,834,306.47
  5. Step 5: Solve for x
    x = 664,834,306.47/27,788.40
  6. Step 6: Final answer
    x = 23,924.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.