Home / 27,990.84-41,986.26-26,280.12

Finding the Fourth Proportional to 27,990.84, 41,986.26 and 26,280.12

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Solution

The fourth proportional to 27,990.84, 41,986.26 and 26,280.12 is: 39,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,990.84 : 41,986.26 = 26,280.12 : x
  2. Step 2: Convert to fraction form
    27,990.84/41,986.26 = 26,280.12/x
  3. Step 3: Cross multiply
    27,990.84x = 41,986.26 × 26,280.12
  4. Step 4: Simplify right side
    27,990.84x = 1,103,403,951.15
  5. Step 5: Solve for x
    x = 1,103,403,951.15/27,990.84
  6. Step 6: Final answer
    x = 39,420.18

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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.