Home / 43,637.44-65,436.72-15,916

Finding the Fourth Proportional to 43,637.44, 65,436.72 and 15,916

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Solution

The fourth proportional to 43,637.44, 65,436.72 and 15,916 is: 23,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,637.44 : 65,436.72 = 15,916 : x
  2. Step 2: Convert to fraction form
    43,637.44/65,436.72 = 15,916/x
  3. Step 3: Cross multiply
    43,637.44x = 65,436.72 × 15,916
  4. Step 4: Simplify right side
    43,637.44x = 1,041,490,835.52
  5. Step 5: Solve for x
    x = 1,041,490,835.52/43,637.44
  6. Step 6: Final answer
    x = 23,866.91

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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.