Home / 28,362.15-42,545.18-9,634.54

Finding the Fourth Proportional to 28,362.15, 42,545.18 and 9,634.54

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Solution

The fourth proportional to 28,362.15, 42,545.18 and 9,634.54 is: 14,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.15 : 42,545.18 = 9,634.54 : x
  2. Step 2: Convert to fraction form
    28,362.15/42,545.18 = 9,634.54/x
  3. Step 3: Cross multiply
    28,362.15x = 42,545.18 × 9,634.54
  4. Step 4: Simplify right side
    28,362.15x = 409,903,238.52
  5. Step 5: Solve for x
    x = 409,903,238.52/28,362.15
  6. Step 6: Final answer
    x = 14,452.47

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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.