Home / 28,753.19-39,679.41-16,177.94

Finding the Fourth Proportional to 28,753.19, 39,679.41 and 16,177.94

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Solution

The fourth proportional to 28,753.19, 39,679.41 and 16,177.94 is: 22,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753.19 : 39,679.41 = 16,177.94 : x
  2. Step 2: Convert to fraction form
    28,753.19/39,679.41 = 16,177.94/x
  3. Step 3: Cross multiply
    28,753.19x = 39,679.41 × 16,177.94
  4. Step 4: Simplify right side
    28,753.19x = 641,931,114.22
  5. Step 5: Solve for x
    x = 641,931,114.22/28,753.19
  6. Step 6: Final answer
    x = 22,325.56

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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.