Home / 27,915.86-38,563.08-25,393.52

Finding the Fourth Proportional to 27,915.86, 38,563.08 and 25,393.52

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Solution

The fourth proportional to 27,915.86, 38,563.08 and 25,393.52 is: 35,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.86 : 38,563.08 = 25,393.52 : x
  2. Step 2: Convert to fraction form
    27,915.86/38,563.08 = 25,393.52/x
  3. Step 3: Cross multiply
    27,915.86x = 38,563.08 × 25,393.52
  4. Step 4: Simplify right side
    27,915.86x = 979,252,343.24
  5. Step 5: Solve for x
    x = 979,252,343.24/27,915.86
  6. Step 6: Final answer
    x = 35,078.71

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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.