Home / 21,351.90-32,027.85-19,796.70

Finding the Fourth Proportional to 21,351.90, 32,027.85 and 19,796.70

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Solution

The fourth proportional to 21,351.90, 32,027.85 and 19,796.70 is: 29,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351.90 : 32,027.85 = 19,796.70 : x
  2. Step 2: Convert to fraction form
    21,351.90/32,027.85 = 19,796.70/x
  3. Step 3: Cross multiply
    21,351.90x = 32,027.85 × 19,796.70
  4. Step 4: Simplify right side
    21,351.90x = 634,045,738.10
  5. Step 5: Solve for x
    x = 634,045,738.10/21,351.90
  6. Step 6: Final answer
    x = 29,695.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.