Home / 23,811.36-32,865.12-15,413.28

Finding the Fourth Proportional to 23,811.36, 32,865.12 and 15,413.28

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Solution

The fourth proportional to 23,811.36, 32,865.12 and 15,413.28 is: 21,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,811.36 : 32,865.12 = 15,413.28 : x
  2. Step 2: Convert to fraction form
    23,811.36/32,865.12 = 15,413.28/x
  3. Step 3: Cross multiply
    23,811.36x = 32,865.12 × 15,413.28
  4. Step 4: Simplify right side
    23,811.36x = 506,559,296.79
  5. Step 5: Solve for x
    x = 506,559,296.79/23,811.36
  6. Step 6: Final answer
    x = 21,273.85

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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.