Home / 28,296.80-39,054.60-16,358.24

Finding the Fourth Proportional to 28,296.80, 39,054.60 and 16,358.24

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Solution

The fourth proportional to 28,296.80, 39,054.60 and 16,358.24 is: 22,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.80 : 39,054.60 = 16,358.24 : x
  2. Step 2: Convert to fraction form
    28,296.80/39,054.60 = 16,358.24/x
  3. Step 3: Cross multiply
    28,296.80x = 39,054.60 × 16,358.24
  4. Step 4: Simplify right side
    28,296.80x = 638,864,519.90
  5. Step 5: Solve for x
    x = 638,864,519.90/28,296.80
  6. Step 6: Final answer
    x = 22,577.27

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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.