Home / 28,934.45-43,404.75-9,208.40

Finding the Fourth Proportional to 28,934.45, 43,404.75 and 9,208.40

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Solution

The fourth proportional to 28,934.45, 43,404.75 and 9,208.40 is: 13,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.45 : 43,404.75 = 9,208.40 : x
  2. Step 2: Convert to fraction form
    28,934.45/43,404.75 = 9,208.40/x
  3. Step 3: Cross multiply
    28,934.45x = 43,404.75 × 9,208.40
  4. Step 4: Simplify right side
    28,934.45x = 399,688,082.88
  5. Step 5: Solve for x
    x = 399,688,082.88/28,934.45
  6. Step 6: Final answer
    x = 13,813.57

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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.