Home / 27,672.64-38,188.67-15,097.39

Finding the Fourth Proportional to 27,672.64, 38,188.67 and 15,097.39

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Solution

The fourth proportional to 27,672.64, 38,188.67 and 15,097.39 is: 20,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672.64 : 38,188.67 = 15,097.39 : x
  2. Step 2: Convert to fraction form
    27,672.64/38,188.67 = 15,097.39/x
  3. Step 3: Cross multiply
    27,672.64x = 38,188.67 × 15,097.39
  4. Step 4: Simplify right side
    27,672.64x = 576,549,073.61
  5. Step 5: Solve for x
    x = 576,549,073.61/27,672.64
  6. Step 6: Final answer
    x = 20,834.63

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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.