Home / 27,607.76-38,097.52-15,670.88

Finding the Fourth Proportional to 27,607.76, 38,097.52 and 15,670.88

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Solution

The fourth proportional to 27,607.76, 38,097.52 and 15,670.88 is: 21,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,607.76 : 38,097.52 = 15,670.88 : x
  2. Step 2: Convert to fraction form
    27,607.76/38,097.52 = 15,670.88/x
  3. Step 3: Cross multiply
    27,607.76x = 38,097.52 × 15,670.88
  4. Step 4: Simplify right side
    27,607.76x = 597,021,664.22
  5. Step 5: Solve for x
    x = 597,021,664.22/27,607.76
  6. Step 6: Final answer
    x = 21,625.14

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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.