Home / 27,966.66-38,594.28-15,391.86

Finding the Fourth Proportional to 27,966.66, 38,594.28 and 15,391.86

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Solution

The fourth proportional to 27,966.66, 38,594.28 and 15,391.86 is: 21,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.66 : 38,594.28 = 15,391.86 : x
  2. Step 2: Convert to fraction form
    27,966.66/38,594.28 = 15,391.86/x
  3. Step 3: Cross multiply
    27,966.66x = 38,594.28 × 15,391.86
  4. Step 4: Simplify right side
    27,966.66x = 594,037,754.56
  5. Step 5: Solve for x
    x = 594,037,754.56/27,966.66
  6. Step 6: Final answer
    x = 21,240.93

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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.