Home / 28,898.10-43,371.76-11,380.23

Finding the Fourth Proportional to 28,898.10, 43,371.76 and 11,380.23

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Solution

The fourth proportional to 28,898.10, 43,371.76 and 11,380.23 is: 17,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.10 : 43,371.76 = 11,380.23 : x
  2. Step 2: Convert to fraction form
    28,898.10/43,371.76 = 11,380.23/x
  3. Step 3: Cross multiply
    28,898.10x = 43,371.76 × 11,380.23
  4. Step 4: Simplify right side
    28,898.10x = 493,580,604.30
  5. Step 5: Solve for x
    x = 493,580,604.30/28,898.10
  6. Step 6: Final answer
    x = 17,080.04

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1.5x scale

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.