Home / 28,838.88-43,241.76-11,288.16

Finding the Fourth Proportional to 28,838.88, 43,241.76 and 11,288.16

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Solution

The fourth proportional to 28,838.88, 43,241.76 and 11,288.16 is: 16,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.88 : 43,241.76 = 11,288.16 : x
  2. Step 2: Convert to fraction form
    28,838.88/43,241.76 = 11,288.16/x
  3. Step 3: Cross multiply
    28,838.88x = 43,241.76 × 11,288.16
  4. Step 4: Simplify right side
    28,838.88x = 488,119,905.56
  5. Step 5: Solve for x
    x = 488,119,905.56/28,838.88
  6. Step 6: Final answer
    x = 16,925.76

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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.