Home / 28,895.60-39,869.52-16,954.64

Finding the Fourth Proportional to 28,895.60, 39,869.52 and 16,954.64

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Solution

The fourth proportional to 28,895.60, 39,869.52 and 16,954.64 is: 23,393.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.60 : 39,869.52 = 16,954.64 : x
  2. Step 2: Convert to fraction form
    28,895.60/39,869.52 = 16,954.64/x
  3. Step 3: Cross multiply
    28,895.60x = 39,869.52 × 16,954.64
  4. Step 4: Simplify right side
    28,895.60x = 675,973,358.57
  5. Step 5: Solve for x
    x = 675,973,358.57/28,895.60
  6. Step 6: Final answer
    x = 23,393.64

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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.