Home / 25,581.38-38,413.76-15,782.94

Finding the Fourth Proportional to 25,581.38, 38,413.76 and 15,782.94

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Solution

The fourth proportional to 25,581.38, 38,413.76 and 15,782.94 is: 23,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,581.38 : 38,413.76 = 15,782.94 : x
  2. Step 2: Convert to fraction form
    25,581.38/38,413.76 = 15,782.94/x
  3. Step 3: Cross multiply
    25,581.38x = 38,413.76 × 15,782.94
  4. Step 4: Simplify right side
    25,581.38x = 606,282,069.25
  5. Step 5: Solve for x
    x = 606,282,069.25/25,581.38
  6. Step 6: Final answer
    x = 23,700.13

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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.