Home / 21,621.70-32,435.94-5,827.35

Finding the Fourth Proportional to 21,621.70, 32,435.94 and 5,827.35

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Solution

The fourth proportional to 21,621.70, 32,435.94 and 5,827.35 is: 8,741.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621.70 : 32,435.94 = 5,827.35 : x
  2. Step 2: Convert to fraction form
    21,621.70/32,435.94 = 5,827.35/x
  3. Step 3: Cross multiply
    21,621.70x = 32,435.94 × 5,827.35
  4. Step 4: Simplify right side
    21,621.70x = 189,015,627.22
  5. Step 5: Solve for x
    x = 189,015,627.22/21,621.70
  6. Step 6: Final answer
    x = 8,741.94

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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.