Home / 28,563.76-39,413.30-17,945.88

Finding the Fourth Proportional to 28,563.76, 39,413.30 and 17,945.88

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Solution

The fourth proportional to 28,563.76, 39,413.30 and 17,945.88 is: 24,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563.76 : 39,413.30 = 17,945.88 : x
  2. Step 2: Convert to fraction form
    28,563.76/39,413.30 = 17,945.88/x
  3. Step 3: Cross multiply
    28,563.76x = 39,413.30 × 17,945.88
  4. Step 4: Simplify right side
    28,563.76x = 707,306,065.41
  5. Step 5: Solve for x
    x = 707,306,065.41/28,563.76
  6. Step 6: Final answer
    x = 24,762.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.