Home / 28,261.24-38,991.50-16,323

Finding the Fourth Proportional to 28,261.24, 38,991.50 and 16,323

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Solution

The fourth proportional to 28,261.24, 38,991.50 and 16,323 is: 22,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,261.24 : 38,991.50 = 16,323 : x
  2. Step 2: Convert to fraction form
    28,261.24/38,991.50 = 16,323/x
  3. Step 3: Cross multiply
    28,261.24x = 38,991.50 × 16,323
  4. Step 4: Simplify right side
    28,261.24x = 636,458,254.50
  5. Step 5: Solve for x
    x = 636,458,254.50/28,261.24
  6. Step 6: Final answer
    x = 22,520.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.