Home / 28,162.78-38,849.60-17,413.67

Finding the Fourth Proportional to 28,162.78, 38,849.60 and 17,413.67

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Solution

The fourth proportional to 28,162.78, 38,849.60 and 17,413.67 is: 24,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,162.78 : 38,849.60 = 17,413.67 : x
  2. Step 2: Convert to fraction form
    28,162.78/38,849.60 = 17,413.67/x
  3. Step 3: Cross multiply
    28,162.78x = 38,849.60 × 17,413.67
  4. Step 4: Simplify right side
    28,162.78x = 676,514,026.96
  5. Step 5: Solve for x
    x = 676,514,026.96/28,162.78
  6. Step 6: Final answer
    x = 24,021.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.