Home / 26,580.33-36,646.62-21,782.70

Finding the Fourth Proportional to 26,580.33, 36,646.62 and 21,782.70

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Solution

The fourth proportional to 26,580.33, 36,646.62 and 21,782.70 is: 30,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.33 : 36,646.62 = 21,782.70 : x
  2. Step 2: Convert to fraction form
    26,580.33/36,646.62 = 21,782.70/x
  3. Step 3: Cross multiply
    26,580.33x = 36,646.62 × 21,782.70
  4. Step 4: Simplify right side
    26,580.33x = 798,262,329.47
  5. Step 5: Solve for x
    x = 798,262,329.47/26,580.33
  6. Step 6: Final answer
    x = 30,032.07

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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.