Home / 26,925.80-37,157.28-15,747.80

Finding the Fourth Proportional to 26,925.80, 37,157.28 and 15,747.80

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Solution

The fourth proportional to 26,925.80, 37,157.28 and 15,747.80 is: 21,731.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,925.80 : 37,157.28 = 15,747.80 : x
  2. Step 2: Convert to fraction form
    26,925.80/37,157.28 = 15,747.80/x
  3. Step 3: Cross multiply
    26,925.80x = 37,157.28 × 15,747.80
  4. Step 4: Simplify right side
    26,925.80x = 585,145,413.98
  5. Step 5: Solve for x
    x = 585,145,413.98/26,925.80
  6. Step 6: Final answer
    x = 21,731.77

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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.