Home / 27,981.36-38,609.76-16,042.50

Finding the Fourth Proportional to 27,981.36, 38,609.76 and 16,042.50

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Solution

The fourth proportional to 27,981.36, 38,609.76 and 16,042.50 is: 22,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.36 : 38,609.76 = 16,042.50 : x
  2. Step 2: Convert to fraction form
    27,981.36/38,609.76 = 16,042.50/x
  3. Step 3: Cross multiply
    27,981.36x = 38,609.76 × 16,042.50
  4. Step 4: Simplify right side
    27,981.36x = 619,397,074.80
  5. Step 5: Solve for x
    x = 619,397,074.80/27,981.36
  6. Step 6: Final answer
    x = 22,136.06

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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.