Home / 28,942.11-39,946.34-17,615.25

Finding the Fourth Proportional to 28,942.11, 39,946.34 and 17,615.25

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Solution

The fourth proportional to 28,942.11, 39,946.34 and 17,615.25 is: 24,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.11 : 39,946.34 = 17,615.25 : x
  2. Step 2: Convert to fraction form
    28,942.11/39,946.34 = 17,615.25/x
  3. Step 3: Cross multiply
    28,942.11x = 39,946.34 × 17,615.25
  4. Step 4: Simplify right side
    28,942.11x = 703,664,809.72
  5. Step 5: Solve for x
    x = 703,664,809.72/28,942.11
  6. Step 6: Final answer
    x = 24,312.84

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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.