Home / 27,378.76-37,783.38-16,774.24

Finding the Fourth Proportional to 27,378.76, 37,783.38 and 16,774.24

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Solution

The fourth proportional to 27,378.76, 37,783.38 and 16,774.24 is: 23,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.76 : 37,783.38 = 16,774.24 : x
  2. Step 2: Convert to fraction form
    27,378.76/37,783.38 = 16,774.24/x
  3. Step 3: Cross multiply
    27,378.76x = 37,783.38 × 16,774.24
  4. Step 4: Simplify right side
    27,378.76x = 633,787,484.13
  5. Step 5: Solve for x
    x = 633,787,484.13/27,378.76
  6. Step 6: Final answer
    x = 23,148.87

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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.