Home / 20,482.58-28,267.38-11,530.82

Finding the Fourth Proportional to 20,482.58, 28,267.38 and 11,530.82

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Solution

The fourth proportional to 20,482.58, 28,267.38 and 11,530.82 is: 15,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482.58 : 28,267.38 = 11,530.82 : x
  2. Step 2: Convert to fraction form
    20,482.58/28,267.38 = 11,530.82/x
  3. Step 3: Cross multiply
    20,482.58x = 28,267.38 × 11,530.82
  4. Step 4: Simplify right side
    20,482.58x = 325,946,070.65
  5. Step 5: Solve for x
    x = 325,946,070.65/20,482.58
  6. Step 6: Final answer
    x = 15,913.33

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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.