Home / 26,693.64-36,794.79-21,019.38

Finding the Fourth Proportional to 26,693.64, 36,794.79 and 21,019.38

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Solution

The fourth proportional to 26,693.64, 36,794.79 and 21,019.38 is: 28,973.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,693.64 : 36,794.79 = 21,019.38 : x
  2. Step 2: Convert to fraction form
    26,693.64/36,794.79 = 21,019.38/x
  3. Step 3: Cross multiply
    26,693.64x = 36,794.79 × 21,019.38
  4. Step 4: Simplify right side
    26,693.64x = 773,403,673.03
  5. Step 5: Solve for x
    x = 773,403,673.03/26,693.64
  6. Step 6: Final answer
    x = 28,973.33

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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.