Home / 21,439.44-32,152.95-8,288.82

Finding the Fourth Proportional to 21,439.44, 32,152.95 and 8,288.82

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Solution

The fourth proportional to 21,439.44, 32,152.95 and 8,288.82 is: 12,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,439.44 : 32,152.95 = 8,288.82 : x
  2. Step 2: Convert to fraction form
    21,439.44/32,152.95 = 8,288.82/x
  3. Step 3: Cross multiply
    21,439.44x = 32,152.95 × 8,288.82
  4. Step 4: Simplify right side
    21,439.44x = 266,510,015.02
  5. Step 5: Solve for x
    x = 266,510,015.02/21,439.44
  6. Step 6: Final answer
    x = 12,430.83

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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.