Home / 26,789.36-36,972.60-15,612.08

Finding the Fourth Proportional to 26,789.36, 36,972.60 and 15,612.08

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Solution

The fourth proportional to 26,789.36, 36,972.60 and 15,612.08 is: 21,546.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,789.36 : 36,972.60 = 15,612.08 : x
  2. Step 2: Convert to fraction form
    26,789.36/36,972.60 = 15,612.08/x
  3. Step 3: Cross multiply
    26,789.36x = 36,972.60 × 15,612.08
  4. Step 4: Simplify right side
    26,789.36x = 577,219,189.01
  5. Step 5: Solve for x
    x = 577,219,189.01/26,789.36
  6. Step 6: Final answer
    x = 21,546.58

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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.