Home / 28,898.10-43,336.35-11,364.30

Finding the Fourth Proportional to 28,898.10, 43,336.35 and 11,364.30

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Solution

The fourth proportional to 28,898.10, 43,336.35 and 11,364.30 is: 17,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.10 : 43,336.35 = 11,364.30 : x
  2. Step 2: Convert to fraction form
    28,898.10/43,336.35 = 11,364.30/x
  3. Step 3: Cross multiply
    28,898.10x = 43,336.35 × 11,364.30
  4. Step 4: Simplify right side
    28,898.10x = 492,487,282.31
  5. Step 5: Solve for x
    x = 492,487,282.31/28,898.10
  6. Step 6: Final answer
    x = 17,042.20

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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.