Home / 28,826.80-43,233.84-9,106.72

Finding the Fourth Proportional to 28,826.80, 43,233.84 and 9,106.72

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Solution

The fourth proportional to 28,826.80, 43,233.84 and 9,106.72 is: 13,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,826.80 : 43,233.84 = 9,106.72 : x
  2. Step 2: Convert to fraction form
    28,826.80/43,233.84 = 9,106.72/x
  3. Step 3: Cross multiply
    28,826.80x = 43,233.84 × 9,106.72
  4. Step 4: Simplify right side
    28,826.80x = 393,718,475.40
  5. Step 5: Solve for x
    x = 393,718,475.40/28,826.80
  6. Step 6: Final answer
    x = 13,658.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.