Home / 27,207.90-40,807.22-12,413.34

Finding the Fourth Proportional to 27,207.90, 40,807.22 and 12,413.34

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Solution

The fourth proportional to 27,207.90, 40,807.22 and 12,413.34 is: 18,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,207.90 : 40,807.22 = 12,413.34 : x
  2. Step 2: Convert to fraction form
    27,207.90/40,807.22 = 12,413.34/x
  3. Step 3: Cross multiply
    27,207.90x = 40,807.22 × 12,413.34
  4. Step 4: Simplify right side
    27,207.90x = 506,553,896.31
  5. Step 5: Solve for x
    x = 506,553,896.31/27,207.90
  6. Step 6: Final answer
    x = 18,617.90

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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.