Home / 27,634.57-38,136.72-15,699.93

Finding the Fourth Proportional to 27,634.57, 38,136.72 and 15,699.93

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Solution

The fourth proportional to 27,634.57, 38,136.72 and 15,699.93 is: 21,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,634.57 : 38,136.72 = 15,699.93 : x
  2. Step 2: Convert to fraction form
    27,634.57/38,136.72 = 15,699.93/x
  3. Step 3: Cross multiply
    27,634.57x = 38,136.72 × 15,699.93
  4. Step 4: Simplify right side
    27,634.57x = 598,743,750.29
  5. Step 5: Solve for x
    x = 598,743,750.29/27,634.57
  6. Step 6: Final answer
    x = 21,666.48

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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.