Home / 27,051.17-37,330.79-15,115.01

Finding the Fourth Proportional to 27,051.17, 37,330.79 and 15,115.01

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Solution

The fourth proportional to 27,051.17, 37,330.79 and 15,115.01 is: 20,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,051.17 : 37,330.79 = 15,115.01 : x
  2. Step 2: Convert to fraction form
    27,051.17/37,330.79 = 15,115.01/x
  3. Step 3: Cross multiply
    27,051.17x = 37,330.79 × 15,115.01
  4. Step 4: Simplify right side
    27,051.17x = 564,255,001.93
  5. Step 5: Solve for x
    x = 564,255,001.93/27,051.17
  6. Step 6: Final answer
    x = 20,858.81

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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.