Home / 21,577.21-32,363.46-5,783.79

Finding the Fourth Proportional to 21,577.21, 32,363.46 and 5,783.79

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Solution

The fourth proportional to 21,577.21, 32,363.46 and 5,783.79 is: 8,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.21 : 32,363.46 = 5,783.79 : x
  2. Step 2: Convert to fraction form
    21,577.21/32,363.46 = 5,783.79/x
  3. Step 3: Cross multiply
    21,577.21x = 32,363.46 × 5,783.79
  4. Step 4: Simplify right side
    21,577.21x = 187,183,456.31
  5. Step 5: Solve for x
    x = 187,183,456.31/21,577.21
  6. Step 6: Final answer
    x = 8,675.05

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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.