Home / 27,321.79-40,971.89-13,277.66

Finding the Fourth Proportional to 27,321.79, 40,971.89 and 13,277.66

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Solution

The fourth proportional to 27,321.79, 40,971.89 and 13,277.66 is: 19,911.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,321.79 : 40,971.89 = 13,277.66 : x
  2. Step 2: Convert to fraction form
    27,321.79/40,971.89 = 13,277.66/x
  3. Step 3: Cross multiply
    27,321.79x = 40,971.89 × 13,277.66
  4. Step 4: Simplify right side
    27,321.79x = 544,010,824.98
  5. Step 5: Solve for x
    x = 544,010,824.98/27,321.79
  6. Step 6: Final answer
    x = 19,911.24

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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.