Home / 28,158.93-38,855.47-16,826.03

Finding the Fourth Proportional to 28,158.93, 38,855.47 and 16,826.03

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Solution

The fourth proportional to 28,158.93, 38,855.47 and 16,826.03 is: 23,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,158.93 : 38,855.47 = 16,826.03 : x
  2. Step 2: Convert to fraction form
    28,158.93/38,855.47 = 16,826.03/x
  3. Step 3: Cross multiply
    28,158.93x = 38,855.47 × 16,826.03
  4. Step 4: Simplify right side
    28,158.93x = 653,783,303.88
  5. Step 5: Solve for x
    x = 653,783,303.88/28,158.93
  6. Step 6: Final answer
    x = 23,217.62

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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.