Home / 26,758.46-36,888.21-18,775.94

Finding the Fourth Proportional to 26,758.46, 36,888.21 and 18,775.94

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Solution

The fourth proportional to 26,758.46, 36,888.21 and 18,775.94 is: 25,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.46 : 36,888.21 = 18,775.94 : x
  2. Step 2: Convert to fraction form
    26,758.46/36,888.21 = 18,775.94/x
  3. Step 3: Cross multiply
    26,758.46x = 36,888.21 × 18,775.94
  4. Step 4: Simplify right side
    26,758.46x = 692,610,817.67
  5. Step 5: Solve for x
    x = 692,610,817.67/26,758.46
  6. Step 6: Final answer
    x = 25,883.81

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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.