Home / 27,307.98-37,684.62-15,208.38

Finding the Fourth Proportional to 27,307.98, 37,684.62 and 15,208.38

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Solution

The fourth proportional to 27,307.98, 37,684.62 and 15,208.38 is: 20,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.98 : 37,684.62 = 15,208.38 : x
  2. Step 2: Convert to fraction form
    27,307.98/37,684.62 = 15,208.38/x
  3. Step 3: Cross multiply
    27,307.98x = 37,684.62 × 15,208.38
  4. Step 4: Simplify right side
    27,307.98x = 573,122,021.12
  5. Step 5: Solve for x
    x = 573,122,021.12/27,307.98
  6. Step 6: Final answer
    x = 20,987.35

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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.