Home / 18,835.47-28,252.37-5,687.44

Finding the Fourth Proportional to 18,835.47, 28,252.37 and 5,687.44

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Solution

The fourth proportional to 18,835.47, 28,252.37 and 5,687.44 is: 8,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.47 : 28,252.37 = 5,687.44 : x
  2. Step 2: Convert to fraction form
    18,835.47/28,252.37 = 5,687.44/x
  3. Step 3: Cross multiply
    18,835.47x = 28,252.37 × 5,687.44
  4. Step 4: Simplify right side
    18,835.47x = 160,683,602.82
  5. Step 5: Solve for x
    x = 160,683,602.82/18,835.47
  6. Step 6: Final answer
    x = 8,530.90

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1.5x scale

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.