Home / 27,369.39-37,773.12-15,432.49

Finding the Fourth Proportional to 27,369.39, 37,773.12 and 15,432.49

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Solution

The fourth proportional to 27,369.39, 37,773.12 and 15,432.49 is: 21,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,369.39 : 37,773.12 = 15,432.49 : x
  2. Step 2: Convert to fraction form
    27,369.39/37,773.12 = 15,432.49/x
  3. Step 3: Cross multiply
    27,369.39x = 37,773.12 × 15,432.49
  4. Step 4: Simplify right side
    27,369.39x = 582,933,030.64
  5. Step 5: Solve for x
    x = 582,933,030.64/27,369.39
  6. Step 6: Final answer
    x = 21,298.72

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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.