Home / 26,315.84-36,311.28-15,704.84

Finding the Fourth Proportional to 26,315.84, 36,311.28 and 15,704.84

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Solution

The fourth proportional to 26,315.84, 36,311.28 and 15,704.84 is: 21,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.84 : 36,311.28 = 15,704.84 : x
  2. Step 2: Convert to fraction form
    26,315.84/36,311.28 = 15,704.84/x
  3. Step 3: Cross multiply
    26,315.84x = 36,311.28 × 15,704.84
  4. Step 4: Simplify right side
    26,315.84x = 570,262,842.60
  5. Step 5: Solve for x
    x = 570,262,842.60/26,315.84
  6. Step 6: Final answer
    x = 21,669.95

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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.