Home / 26,943.78-37,169.54-20,934.33

Finding the Fourth Proportional to 26,943.78, 37,169.54 and 20,934.33

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Solution

The fourth proportional to 26,943.78, 37,169.54 and 20,934.33 is: 28,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,943.78 : 37,169.54 = 20,934.33 : x
  2. Step 2: Convert to fraction form
    26,943.78/37,169.54 = 20,934.33/x
  3. Step 3: Cross multiply
    26,943.78x = 37,169.54 × 20,934.33
  4. Step 4: Simplify right side
    26,943.78x = 778,119,368.51
  5. Step 5: Solve for x
    x = 778,119,368.51/26,943.78
  6. Step 6: Final answer
    x = 28,879.37

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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.