Home / 26,543.54-36,628.20-15,787.82

Finding the Fourth Proportional to 26,543.54, 36,628.20 and 15,787.82

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Solution

The fourth proportional to 26,543.54, 36,628.20 and 15,787.82 is: 21,786.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.54 : 36,628.20 = 15,787.82 : x
  2. Step 2: Convert to fraction form
    26,543.54/36,628.20 = 15,787.82/x
  3. Step 3: Cross multiply
    26,543.54x = 36,628.20 × 15,787.82
  4. Step 4: Simplify right side
    26,543.54x = 578,279,520.09
  5. Step 5: Solve for x
    x = 578,279,520.09/26,543.54
  6. Step 6: Final answer
    x = 21,786.07

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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.