Home / 28,704.22-39,611.84-16,606.40

Finding the Fourth Proportional to 28,704.22, 39,611.84 and 16,606.40

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Solution

The fourth proportional to 28,704.22, 39,611.84 and 16,606.40 is: 22,916.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.22 : 39,611.84 = 16,606.40 : x
  2. Step 2: Convert to fraction form
    28,704.22/39,611.84 = 16,606.40/x
  3. Step 3: Cross multiply
    28,704.22x = 39,611.84 × 16,606.40
  4. Step 4: Simplify right side
    28,704.22x = 657,810,002.26
  5. Step 5: Solve for x
    x = 657,810,002.26/28,704.22
  6. Step 6: Final answer
    x = 22,916.84

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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.