Home / 27,765.78-41,646.36-14,438.88

Finding the Fourth Proportional to 27,765.78, 41,646.36 and 14,438.88

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Solution

The fourth proportional to 27,765.78, 41,646.36 and 14,438.88 is: 21,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,765.78 : 41,646.36 = 14,438.88 : x
  2. Step 2: Convert to fraction form
    27,765.78/41,646.36 = 14,438.88/x
  3. Step 3: Cross multiply
    27,765.78x = 41,646.36 × 14,438.88
  4. Step 4: Simplify right side
    27,765.78x = 601,326,794.48
  5. Step 5: Solve for x
    x = 601,326,794.48/27,765.78
  6. Step 6: Final answer
    x = 21,657.12

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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.