Home / 28,184.72-42,260.63-18,835.29

Finding the Fourth Proportional to 28,184.72, 42,260.63 and 18,835.29

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Solution

The fourth proportional to 28,184.72, 42,260.63 and 18,835.29 is: 28,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.72 : 42,260.63 = 18,835.29 : x
  2. Step 2: Convert to fraction form
    28,184.72/42,260.63 = 18,835.29/x
  3. Step 3: Cross multiply
    28,184.72x = 42,260.63 × 18,835.29
  4. Step 4: Simplify right side
    28,184.72x = 795,991,127.46
  5. Step 5: Solve for x
    x = 795,991,127.46/28,184.72
  6. Step 6: Final answer
    x = 28,241.94

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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.