Home / 43,856-65,787.26-14,271.56

Finding the Fourth Proportional to 43,856, 65,787.26 and 14,271.56

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Solution

The fourth proportional to 43,856, 65,787.26 and 14,271.56 is: 21,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,856 : 65,787.26 = 14,271.56 : x
  2. Step 2: Convert to fraction form
    43,856/65,787.26 = 14,271.56/x
  3. Step 3: Cross multiply
    43,856x = 65,787.26 × 14,271.56
  4. Step 4: Simplify right side
    43,856x = 938,886,828.33
  5. Step 5: Solve for x
    x = 938,886,828.33/43,856
  6. Step 6: Final answer
    x = 21,408.40

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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.