Home / 28,098.06-38,776.44-16,161.39

Finding the Fourth Proportional to 28,098.06, 38,776.44 and 16,161.39

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Solution

The fourth proportional to 28,098.06, 38,776.44 and 16,161.39 is: 22,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098.06 : 38,776.44 = 16,161.39 : x
  2. Step 2: Convert to fraction form
    28,098.06/38,776.44 = 16,161.39/x
  3. Step 3: Cross multiply
    28,098.06x = 38,776.44 × 16,161.39
  4. Step 4: Simplify right side
    28,098.06x = 626,681,169.65
  5. Step 5: Solve for x
    x = 626,681,169.65/28,098.06
  6. Step 6: Final answer
    x = 22,303.36

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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.