Home / 26,126.61-36,050.04-15,518.85

Finding the Fourth Proportional to 26,126.61, 36,050.04 and 15,518.85

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Solution

The fourth proportional to 26,126.61, 36,050.04 and 15,518.85 is: 21,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,126.61 : 36,050.04 = 15,518.85 : x
  2. Step 2: Convert to fraction form
    26,126.61/36,050.04 = 15,518.85/x
  3. Step 3: Cross multiply
    26,126.61x = 36,050.04 × 15,518.85
  4. Step 4: Simplify right side
    26,126.61x = 559,455,163.25
  5. Step 5: Solve for x
    x = 559,455,163.25/26,126.61
  6. Step 6: Final answer
    x = 21,413.23

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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.