Home / 28,602.11-39,475.93-16,500.48

Finding the Fourth Proportional to 28,602.11, 39,475.93 and 16,500.48

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Solution

The fourth proportional to 28,602.11, 39,475.93 and 16,500.48 is: 22,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602.11 : 39,475.93 = 16,500.48 : x
  2. Step 2: Convert to fraction form
    28,602.11/39,475.93 = 16,500.48/x
  3. Step 3: Cross multiply
    28,602.11x = 39,475.93 × 16,500.48
  4. Step 4: Simplify right side
    28,602.11x = 651,372,014.58
  5. Step 5: Solve for x
    x = 651,372,014.58/28,602.11
  6. Step 6: Final answer
    x = 22,773.56

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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.