Home / 28,010.80-41,976.60-15,536.32

Finding the Fourth Proportional to 28,010.80, 41,976.60 and 15,536.32

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Solution

The fourth proportional to 28,010.80, 41,976.60 and 15,536.32 is: 23,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.80 : 41,976.60 = 15,536.32 : x
  2. Step 2: Convert to fraction form
    28,010.80/41,976.60 = 15,536.32/x
  3. Step 3: Cross multiply
    28,010.80x = 41,976.60 × 15,536.32
  4. Step 4: Simplify right side
    28,010.80x = 652,161,890.11
  5. Step 5: Solve for x
    x = 652,161,890.11/28,010.80
  6. Step 6: Final answer
    x = 23,282.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.