Home / 28,593.60-39,458.40-16,017.60

Finding the Fourth Proportional to 28,593.60, 39,458.40 and 16,017.60

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Solution

The fourth proportional to 28,593.60, 39,458.40 and 16,017.60 is: 22,103.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593.60 : 39,458.40 = 16,017.60 : x
  2. Step 2: Convert to fraction form
    28,593.60/39,458.40 = 16,017.60/x
  3. Step 3: Cross multiply
    28,593.60x = 39,458.40 × 16,017.60
  4. Step 4: Simplify right side
    28,593.60x = 632,028,867.84
  5. Step 5: Solve for x
    x = 632,028,867.84/28,593.60
  6. Step 6: Final answer
    x = 22,103.86

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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.