Home / 27,902.63-38,494.77-15,800.33

Finding the Fourth Proportional to 27,902.63, 38,494.77 and 15,800.33

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Solution

The fourth proportional to 27,902.63, 38,494.77 and 15,800.33 is: 21,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902.63 : 38,494.77 = 15,800.33 : x
  2. Step 2: Convert to fraction form
    27,902.63/38,494.77 = 15,800.33/x
  3. Step 3: Cross multiply
    27,902.63x = 38,494.77 × 15,800.33
  4. Step 4: Simplify right side
    27,902.63x = 608,230,054.96
  5. Step 5: Solve for x
    x = 608,230,054.96/27,902.63
  6. Step 6: Final answer
    x = 21,798.31

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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.