Home / 28,880.82-39,856.19-16,952.76

Finding the Fourth Proportional to 28,880.82, 39,856.19 and 16,952.76

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Solution

The fourth proportional to 28,880.82, 39,856.19 and 16,952.76 is: 23,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.82 : 39,856.19 = 16,952.76 : x
  2. Step 2: Convert to fraction form
    28,880.82/39,856.19 = 16,952.76/x
  3. Step 3: Cross multiply
    28,880.82x = 39,856.19 × 16,952.76
  4. Step 4: Simplify right side
    28,880.82x = 675,672,338.82
  5. Step 5: Solve for x
    x = 675,672,338.82/28,880.82
  6. Step 6: Final answer
    x = 23,395.19

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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.