Home / 27,265.51-40,920.13-14,121.64

Finding the Fourth Proportional to 27,265.51, 40,920.13 and 14,121.64

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Solution

The fourth proportional to 27,265.51, 40,920.13 and 14,121.64 is: 21,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,265.51 : 40,920.13 = 14,121.64 : x
  2. Step 2: Convert to fraction form
    27,265.51/40,920.13 = 14,121.64/x
  3. Step 3: Cross multiply
    27,265.51x = 40,920.13 × 14,121.64
  4. Step 4: Simplify right side
    27,265.51x = 577,859,277.62
  5. Step 5: Solve for x
    x = 577,859,277.62/27,265.51
  6. Step 6: Final answer
    x = 21,193.78

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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.