Home / 27,784.27-38,342.34-15,037.46

Finding the Fourth Proportional to 27,784.27, 38,342.34 and 15,037.46

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Solution

The fourth proportional to 27,784.27, 38,342.34 and 15,037.46 is: 20,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784.27 : 38,342.34 = 15,037.46 : x
  2. Step 2: Convert to fraction form
    27,784.27/38,342.34 = 15,037.46/x
  3. Step 3: Cross multiply
    27,784.27x = 38,342.34 × 15,037.46
  4. Step 4: Simplify right side
    27,784.27x = 576,571,328.87
  5. Step 5: Solve for x
    x = 576,571,328.87/27,784.27
  6. Step 6: Final answer
    x = 20,751.72

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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.