Home / 28,491.14-39,311.53-16,548.30

Finding the Fourth Proportional to 28,491.14, 39,311.53 and 16,548.30

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Solution

The fourth proportional to 28,491.14, 39,311.53 and 16,548.30 is: 22,833.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,491.14 : 39,311.53 = 16,548.30 : x
  2. Step 2: Convert to fraction form
    28,491.14/39,311.53 = 16,548.30/x
  3. Step 3: Cross multiply
    28,491.14x = 39,311.53 × 16,548.30
  4. Step 4: Simplify right side
    28,491.14x = 650,538,950.53
  5. Step 5: Solve for x
    x = 650,538,950.53/28,491.14
  6. Step 6: Final answer
    x = 22,833.02

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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.