Home / 26,830.84-40,246.62-8,111.02

Finding the Fourth Proportional to 26,830.84, 40,246.62 and 8,111.02

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Solution

The fourth proportional to 26,830.84, 40,246.62 and 8,111.02 is: 12,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,830.84 : 40,246.62 = 8,111.02 : x
  2. Step 2: Convert to fraction form
    26,830.84/40,246.62 = 8,111.02/x
  3. Step 3: Cross multiply
    26,830.84x = 40,246.62 × 8,111.02
  4. Step 4: Simplify right side
    26,830.84x = 326,441,139.75
  5. Step 5: Solve for x
    x = 326,441,139.75/26,830.84
  6. Step 6: Final answer
    x = 12,166.64

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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.