Home / 28,960.84-43,441.69-11,430.50

Finding the Fourth Proportional to 28,960.84, 43,441.69 and 11,430.50

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Solution

The fourth proportional to 28,960.84, 43,441.69 and 11,430.50 is: 17,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960.84 : 43,441.69 = 11,430.50 : x
  2. Step 2: Convert to fraction form
    28,960.84/43,441.69 = 11,430.50/x
  3. Step 3: Cross multiply
    28,960.84x = 43,441.69 × 11,430.50
  4. Step 4: Simplify right side
    28,960.84x = 496,560,237.55
  5. Step 5: Solve for x
    x = 496,560,237.55/28,960.84
  6. Step 6: Final answer
    x = 17,145.92

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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.