Home / 28,483.92-39,289.32-17,864.28

Finding the Fourth Proportional to 28,483.92, 39,289.32 and 17,864.28

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Solution

The fourth proportional to 28,483.92, 39,289.32 and 17,864.28 is: 24,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,483.92 : 39,289.32 = 17,864.28 : x
  2. Step 2: Convert to fraction form
    28,483.92/39,289.32 = 17,864.28/x
  3. Step 3: Cross multiply
    28,483.92x = 39,289.32 × 17,864.28
  4. Step 4: Simplify right side
    28,483.92x = 701,875,413.49
  5. Step 5: Solve for x
    x = 701,875,413.49/28,483.92
  6. Step 6: Final answer
    x = 24,641.11

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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.