Home / 26,403.46-36,435.90-15,787.60

Finding the Fourth Proportional to 26,403.46, 36,435.90 and 15,787.60

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Solution

The fourth proportional to 26,403.46, 36,435.90 and 15,787.60 is: 21,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.46 : 36,435.90 = 15,787.60 : x
  2. Step 2: Convert to fraction form
    26,403.46/36,435.90 = 15,787.60/x
  3. Step 3: Cross multiply
    26,403.46x = 36,435.90 × 15,787.60
  4. Step 4: Simplify right side
    26,403.46x = 575,235,414.84
  5. Step 5: Solve for x
    x = 575,235,414.84/26,403.46
  6. Step 6: Final answer
    x = 21,786.36

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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.