Home / 21,361.02-32,035.47-8,865.59

Finding the Fourth Proportional to 21,361.02, 32,035.47 and 8,865.59

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Solution

The fourth proportional to 21,361.02, 32,035.47 and 8,865.59 is: 13,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,361.02 : 32,035.47 = 8,865.59 : x
  2. Step 2: Convert to fraction form
    21,361.02/32,035.47 = 8,865.59/x
  3. Step 3: Cross multiply
    21,361.02x = 32,035.47 × 8,865.59
  4. Step 4: Simplify right side
    21,361.02x = 284,013,182.30
  5. Step 5: Solve for x
    x = 284,013,182.30/21,361.02
  6. Step 6: Final answer
    x = 13,295.86

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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.