Home / 27,062.72-37,342.56-15,888.32

Finding the Fourth Proportional to 27,062.72, 37,342.56 and 15,888.32

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Solution

The fourth proportional to 27,062.72, 37,342.56 and 15,888.32 is: 21,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,062.72 : 37,342.56 = 15,888.32 : x
  2. Step 2: Convert to fraction form
    27,062.72/37,342.56 = 15,888.32/x
  3. Step 3: Cross multiply
    27,062.72x = 37,342.56 × 15,888.32
  4. Step 4: Simplify right side
    27,062.72x = 593,310,542.90
  5. Step 5: Solve for x
    x = 593,310,542.90/27,062.72
  6. Step 6: Final answer
    x = 21,923.54

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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.