Home / 28,413.57-42,646.61-14,383.44

Finding the Fourth Proportional to 28,413.57, 42,646.61 and 14,383.44

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Solution

The fourth proportional to 28,413.57, 42,646.61 and 14,383.44 is: 21,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.57 : 42,646.61 = 14,383.44 : x
  2. Step 2: Convert to fraction form
    28,413.57/42,646.61 = 14,383.44/x
  3. Step 3: Cross multiply
    28,413.57x = 42,646.61 × 14,383.44
  4. Step 4: Simplify right side
    28,413.57x = 613,404,956.14
  5. Step 5: Solve for x
    x = 613,404,956.14/28,413.57
  6. Step 6: Final answer
    x = 21,588.45

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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.