Home / 15,828.30-23,739.21-5,440.86

Finding the Fourth Proportional to 15,828.30, 23,739.21 and 5,440.86

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Solution

The fourth proportional to 15,828.30, 23,739.21 and 5,440.86 is: 8,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828.30 : 23,739.21 = 5,440.86 : x
  2. Step 2: Convert to fraction form
    15,828.30/23,739.21 = 5,440.86/x
  3. Step 3: Cross multiply
    15,828.30x = 23,739.21 × 5,440.86
  4. Step 4: Simplify right side
    15,828.30x = 129,161,718.12
  5. Step 5: Solve for x
    x = 129,161,718.12/15,828.30
  6. Step 6: Final answer
    x = 8,160.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.