Home / 26,612.64-36,728.04-19,886.58

Finding the Fourth Proportional to 26,612.64, 36,728.04 and 19,886.58

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Solution

The fourth proportional to 26,612.64, 36,728.04 and 19,886.58 is: 27,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,612.64 : 36,728.04 = 19,886.58 : x
  2. Step 2: Convert to fraction form
    26,612.64/36,728.04 = 19,886.58/x
  3. Step 3: Cross multiply
    26,612.64x = 36,728.04 × 19,886.58
  4. Step 4: Simplify right side
    26,612.64x = 730,395,105.70
  5. Step 5: Solve for x
    x = 730,395,105.70/26,612.64
  6. Step 6: Final answer
    x = 27,445.42

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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.