Home / 28,898.61-43,372.52-11,380.74

Finding the Fourth Proportional to 28,898.61, 43,372.52 and 11,380.74

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Solution

The fourth proportional to 28,898.61, 43,372.52 and 11,380.74 is: 17,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.61 : 43,372.52 = 11,380.74 : x
  2. Step 2: Convert to fraction form
    28,898.61/43,372.52 = 11,380.74/x
  3. Step 3: Cross multiply
    28,898.61x = 43,372.52 × 11,380.74
  4. Step 4: Simplify right side
    28,898.61x = 493,611,316.36
  5. Step 5: Solve for x
    x = 493,611,316.36/28,898.61
  6. Step 6: Final answer
    x = 17,080.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.