Home / 28,068.22-38,733.17-16,731.86

Finding the Fourth Proportional to 28,068.22, 38,733.17 and 16,731.86

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Solution

The fourth proportional to 28,068.22, 38,733.17 and 16,731.86 is: 23,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.22 : 38,733.17 = 16,731.86 : x
  2. Step 2: Convert to fraction form
    28,068.22/38,733.17 = 16,731.86/x
  3. Step 3: Cross multiply
    28,068.22x = 38,733.17 × 16,731.86
  4. Step 4: Simplify right side
    28,068.22x = 648,078,116.46
  5. Step 5: Solve for x
    x = 648,078,116.46/28,068.22
  6. Step 6: Final answer
    x = 23,089.39

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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.