Home / 26,530.29-39,743.28-15,413.65

Finding the Fourth Proportional to 26,530.29, 39,743.28 and 15,413.65

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Solution

The fourth proportional to 26,530.29, 39,743.28 and 15,413.65 is: 23,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.29 : 39,743.28 = 15,413.65 : x
  2. Step 2: Convert to fraction form
    26,530.29/39,743.28 = 15,413.65/x
  3. Step 3: Cross multiply
    26,530.29x = 39,743.28 × 15,413.65
  4. Step 4: Simplify right side
    26,530.29x = 612,588,908.41
  5. Step 5: Solve for x
    x = 612,588,908.41/26,530.29
  6. Step 6: Final answer
    x = 23,090.17

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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.