Home / 28,756.44-43,141.12-8,767.72

Finding the Fourth Proportional to 28,756.44, 43,141.12 and 8,767.72

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Solution

The fourth proportional to 28,756.44, 43,141.12 and 8,767.72 is: 13,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.44 : 43,141.12 = 8,767.72 : x
  2. Step 2: Convert to fraction form
    28,756.44/43,141.12 = 8,767.72/x
  3. Step 3: Cross multiply
    28,756.44x = 43,141.12 × 8,767.72
  4. Step 4: Simplify right side
    28,756.44x = 378,249,260.65
  5. Step 5: Solve for x
    x = 378,249,260.65/28,756.44
  6. Step 6: Final answer
    x = 13,153.55

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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.