Home / 28,911.27-39,894.35-16,336.02

Finding the Fourth Proportional to 28,911.27, 39,894.35 and 16,336.02

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Solution

The fourth proportional to 28,911.27, 39,894.35 and 16,336.02 is: 22,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911.27 : 39,894.35 = 16,336.02 : x
  2. Step 2: Convert to fraction form
    28,911.27/39,894.35 = 16,336.02/x
  3. Step 3: Cross multiply
    28,911.27x = 39,894.35 × 16,336.02
  4. Step 4: Simplify right side
    28,911.27x = 651,714,817.81
  5. Step 5: Solve for x
    x = 651,714,817.81/28,911.27
  6. Step 6: Final answer
    x = 22,541.90

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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.