Home / 28,944.64-43,423.98-11,415.16

Finding the Fourth Proportional to 28,944.64, 43,423.98 and 11,415.16

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Solution

The fourth proportional to 28,944.64, 43,423.98 and 11,415.16 is: 17,125.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,944.64 : 43,423.98 = 11,415.16 : x
  2. Step 2: Convert to fraction form
    28,944.64/43,423.98 = 11,415.16/x
  3. Step 3: Cross multiply
    28,944.64x = 43,423.98 × 11,415.16
  4. Step 4: Simplify right side
    28,944.64x = 495,691,679.54
  5. Step 5: Solve for x
    x = 495,691,679.54/28,944.64
  6. Step 6: Final answer
    x = 17,125.51

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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.