Home / 15,826.32-23,739.89-5,438.07

Finding the Fourth Proportional to 15,826.32, 23,739.89 and 5,438.07

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Solution

The fourth proportional to 15,826.32, 23,739.89 and 5,438.07 is: 8,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826.32 : 23,739.89 = 5,438.07 : x
  2. Step 2: Convert to fraction form
    15,826.32/23,739.89 = 5,438.07/x
  3. Step 3: Cross multiply
    15,826.32x = 23,739.89 × 5,438.07
  4. Step 4: Simplify right side
    15,826.32x = 129,099,156.42
  5. Step 5: Solve for x
    x = 129,099,156.42/15,826.32
  6. Step 6: Final answer
    x = 8,157.24

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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.