Home / 21,625.65-32,484.57-20,361.64

Finding the Fourth Proportional to 21,625.65, 32,484.57 and 20,361.64

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Solution

The fourth proportional to 21,625.65, 32,484.57 and 20,361.64 is: 30,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.65 : 32,484.57 = 20,361.64 : x
  2. Step 2: Convert to fraction form
    21,625.65/32,484.57 = 20,361.64/x
  3. Step 3: Cross multiply
    21,625.65x = 32,484.57 × 20,361.64
  4. Step 4: Simplify right side
    21,625.65x = 661,439,038.68
  5. Step 5: Solve for x
    x = 661,439,038.68/21,625.65
  6. Step 6: Final answer
    x = 30,585.86

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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.