Home / 27,658.10-41,495.46-12,875.78

Finding the Fourth Proportional to 27,658.10, 41,495.46 and 12,875.78

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Solution

The fourth proportional to 27,658.10, 41,495.46 and 12,875.78 is: 19,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,658.10 : 41,495.46 = 12,875.78 : x
  2. Step 2: Convert to fraction form
    27,658.10/41,495.46 = 12,875.78/x
  3. Step 3: Cross multiply
    27,658.10x = 41,495.46 × 12,875.78
  4. Step 4: Simplify right side
    27,658.10x = 534,286,413.96
  5. Step 5: Solve for x
    x = 534,286,413.96/27,658.10
  6. Step 6: Final answer
    x = 19,317.54

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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.