Home / 26,616.83-36,712.80-21,581.26

Finding the Fourth Proportional to 26,616.83, 36,712.80 and 21,581.26

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Solution

The fourth proportional to 26,616.83, 36,712.80 and 21,581.26 is: 29,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,616.83 : 36,712.80 = 21,581.26 : x
  2. Step 2: Convert to fraction form
    26,616.83/36,712.80 = 21,581.26/x
  3. Step 3: Cross multiply
    26,616.83x = 36,712.80 × 21,581.26
  4. Step 4: Simplify right side
    26,616.83x = 792,308,390.35
  5. Step 5: Solve for x
    x = 792,308,390.35/26,616.83
  6. Step 6: Final answer
    x = 29,767.20

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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.