Home / 27,467.51-37,902.53-21,815.93

Finding the Fourth Proportional to 27,467.51, 37,902.53 and 21,815.93

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Solution

The fourth proportional to 27,467.51, 37,902.53 and 21,815.93 is: 30,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,467.51 : 37,902.53 = 21,815.93 : x
  2. Step 2: Convert to fraction form
    27,467.51/37,902.53 = 21,815.93/x
  3. Step 3: Cross multiply
    27,467.51x = 37,902.53 × 21,815.93
  4. Step 4: Simplify right side
    27,467.51x = 826,879,090.60
  5. Step 5: Solve for x
    x = 826,879,090.60/27,467.51
  6. Step 6: Final answer
    x = 30,103.90

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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.