Home / 26,931.99-40,413.03-15,700.38

Finding the Fourth Proportional to 26,931.99, 40,413.03 and 15,700.38

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Solution

The fourth proportional to 26,931.99, 40,413.03 and 15,700.38 is: 23,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.99 : 40,413.03 = 15,700.38 : x
  2. Step 2: Convert to fraction form
    26,931.99/40,413.03 = 15,700.38/x
  3. Step 3: Cross multiply
    26,931.99x = 40,413.03 × 15,700.38
  4. Step 4: Simplify right side
    26,931.99x = 634,499,944.85
  5. Step 5: Solve for x
    x = 634,499,944.85/26,931.99
  6. Step 6: Final answer
    x = 23,559.34

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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.