Home / 27,604.80-38,095.50-15,668.64

Finding the Fourth Proportional to 27,604.80, 38,095.50 and 15,668.64

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Solution

The fourth proportional to 27,604.80, 38,095.50 and 15,668.64 is: 21,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,604.80 : 38,095.50 = 15,668.64 : x
  2. Step 2: Convert to fraction form
    27,604.80/38,095.50 = 15,668.64/x
  3. Step 3: Cross multiply
    27,604.80x = 38,095.50 × 15,668.64
  4. Step 4: Simplify right side
    27,604.80x = 596,904,675.12
  5. Step 5: Solve for x
    x = 596,904,675.12/27,604.80
  6. Step 6: Final answer
    x = 21,623.22

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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.