Home / 25,981.99-38,875.48-15,413.31

Finding the Fourth Proportional to 25,981.99, 38,875.48 and 15,413.31

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Solution

The fourth proportional to 25,981.99, 38,875.48 and 15,413.31 is: 23,062.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.99 : 38,875.48 = 15,413.31 : x
  2. Step 2: Convert to fraction form
    25,981.99/38,875.48 = 15,413.31/x
  3. Step 3: Cross multiply
    25,981.99x = 38,875.48 × 15,413.31
  4. Step 4: Simplify right side
    25,981.99x = 599,199,786.11
  5. Step 5: Solve for x
    x = 599,199,786.11/25,981.99
  6. Step 6: Final answer
    x = 23,062.12

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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.