Home / 26,929.12-37,083.78-20,950.72

Finding the Fourth Proportional to 26,929.12, 37,083.78 and 20,950.72

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Solution

The fourth proportional to 26,929.12, 37,083.78 and 20,950.72 is: 28,850.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.12 : 37,083.78 = 20,950.72 : x
  2. Step 2: Convert to fraction form
    26,929.12/37,083.78 = 20,950.72/x
  3. Step 3: Cross multiply
    26,929.12x = 37,083.78 × 20,950.72
  4. Step 4: Simplify right side
    26,929.12x = 776,931,891.32
  5. Step 5: Solve for x
    x = 776,931,891.32/26,929.12
  6. Step 6: Final answer
    x = 28,850.99

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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.