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Finding the Fourth Proportional to 61,728.02, 92,629.83 and 26,666.90

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Solution

The fourth proportional to 61,728.02, 92,629.83 and 26,666.90 is: 40,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,728.02 : 92,629.83 = 26,666.90 : x
  2. Step 2: Convert to fraction form
    61,728.02/92,629.83 = 26,666.90/x
  3. Step 3: Cross multiply
    61,728.02x = 92,629.83 × 26,666.90
  4. Step 4: Simplify right side
    61,728.02x = 2,470,150,413.63
  5. Step 5: Solve for x
    x = 2,470,150,413.63/61,728.02
  6. Step 6: Final answer
    x = 40,016.68

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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.