Home / 26,763.45-40,145.51-12,724.94

Finding the Fourth Proportional to 26,763.45, 40,145.51 and 12,724.94

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Solution

The fourth proportional to 26,763.45, 40,145.51 and 12,724.94 is: 19,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,763.45 : 40,145.51 = 12,724.94 : x
  2. Step 2: Convert to fraction form
    26,763.45/40,145.51 = 12,724.94/x
  3. Step 3: Cross multiply
    26,763.45x = 40,145.51 × 12,724.94
  4. Step 4: Simplify right side
    26,763.45x = 510,849,037.10
  5. Step 5: Solve for x
    x = 510,849,037.10/26,763.45
  6. Step 6: Final answer
    x = 19,087.56

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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.