Home / 28,319.94-42,496.29-11,676.87

Finding the Fourth Proportional to 28,319.94, 42,496.29 and 11,676.87

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Solution

The fourth proportional to 28,319.94, 42,496.29 and 11,676.87 is: 17,522.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,319.94 : 42,496.29 = 11,676.87 : x
  2. Step 2: Convert to fraction form
    28,319.94/42,496.29 = 11,676.87/x
  3. Step 3: Cross multiply
    28,319.94x = 42,496.29 × 11,676.87
  4. Step 4: Simplify right side
    28,319.94x = 496,223,653.81
  5. Step 5: Solve for x
    x = 496,223,653.81/28,319.94
  6. Step 6: Final answer
    x = 17,522.06

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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.