Home / 18,385.02-27,572.67-5,238.14

Finding the Fourth Proportional to 18,385.02, 27,572.67 and 5,238.14

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Solution

The fourth proportional to 18,385.02, 27,572.67 and 5,238.14 is: 7,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.02 : 27,572.67 = 5,238.14 : x
  2. Step 2: Convert to fraction form
    18,385.02/27,572.67 = 5,238.14/x
  3. Step 3: Cross multiply
    18,385.02x = 27,572.67 × 5,238.14
  4. Step 4: Simplify right side
    18,385.02x = 144,429,367.77
  5. Step 5: Solve for x
    x = 144,429,367.77/18,385.02
  6. Step 6: Final answer
    x = 7,855.82

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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.