Home / 28,068.20-38,733.15-16,731.85

Finding the Fourth Proportional to 28,068.20, 38,733.15 and 16,731.85

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Solution

The fourth proportional to 28,068.20, 38,733.15 and 16,731.85 is: 23,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.20 : 38,733.15 = 16,731.85 : x
  2. Step 2: Convert to fraction form
    28,068.20/38,733.15 = 16,731.85/x
  3. Step 3: Cross multiply
    28,068.20x = 38,733.15 × 16,731.85
  4. Step 4: Simplify right side
    28,068.20x = 648,077,172.17
  5. Step 5: Solve for x
    x = 648,077,172.17/28,068.20
  6. Step 6: Final answer
    x = 23,089.37

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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.