Home / 26,413.40-39,623.70-9,769.40

Finding the Fourth Proportional to 26,413.40, 39,623.70 and 9,769.40

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Solution

The fourth proportional to 26,413.40, 39,623.70 and 9,769.40 is: 14,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,413.40 : 39,623.70 = 9,769.40 : x
  2. Step 2: Convert to fraction form
    26,413.40/39,623.70 = 9,769.40/x
  3. Step 3: Cross multiply
    26,413.40x = 39,623.70 × 9,769.40
  4. Step 4: Simplify right side
    26,413.40x = 387,099,774.78
  5. Step 5: Solve for x
    x = 387,099,774.78/26,413.40
  6. Step 6: Final answer
    x = 14,655.43

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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.