Home / 26,621.60-36,714.48-21,314.48

Finding the Fourth Proportional to 26,621.60, 36,714.48 and 21,314.48

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Solution

The fourth proportional to 26,621.60, 36,714.48 and 21,314.48 is: 29,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621.60 : 36,714.48 = 21,314.48 : x
  2. Step 2: Convert to fraction form
    26,621.60/36,714.48 = 21,314.48/x
  3. Step 3: Cross multiply
    26,621.60x = 36,714.48 × 21,314.48
  4. Step 4: Simplify right side
    26,621.60x = 782,550,049.67
  5. Step 5: Solve for x
    x = 782,550,049.67/26,621.60
  6. Step 6: Final answer
    x = 29,395.30

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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.