Home / 26,949.48-37,190.35-15,621.15

Finding the Fourth Proportional to 26,949.48, 37,190.35 and 15,621.15

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Solution

The fourth proportional to 26,949.48, 37,190.35 and 15,621.15 is: 21,557.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,949.48 : 37,190.35 = 15,621.15 : x
  2. Step 2: Convert to fraction form
    26,949.48/37,190.35 = 15,621.15/x
  3. Step 3: Cross multiply
    26,949.48x = 37,190.35 × 15,621.15
  4. Step 4: Simplify right side
    26,949.48x = 580,956,035.90
  5. Step 5: Solve for x
    x = 580,956,035.90/26,949.48
  6. Step 6: Final answer
    x = 21,557.23

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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.