Home / 26,920.90-40,359.27-12,125.38

Finding the Fourth Proportional to 26,920.90, 40,359.27 and 12,125.38

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Solution

The fourth proportional to 26,920.90, 40,359.27 and 12,125.38 is: 18,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.90 : 40,359.27 = 12,125.38 : x
  2. Step 2: Convert to fraction form
    26,920.90/40,359.27 = 12,125.38/x
  3. Step 3: Cross multiply
    26,920.90x = 40,359.27 × 12,125.38
  4. Step 4: Simplify right side
    26,920.90x = 489,371,485.27
  5. Step 5: Solve for x
    x = 489,371,485.27/26,920.90
  6. Step 6: Final answer
    x = 18,178.12

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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.