Home / 28,926.72-43,390.08-15,760.98

Finding the Fourth Proportional to 28,926.72, 43,390.08 and 15,760.98

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Solution

The fourth proportional to 28,926.72, 43,390.08 and 15,760.98 is: 23,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.72 : 43,390.08 = 15,760.98 : x
  2. Step 2: Convert to fraction form
    28,926.72/43,390.08 = 15,760.98/x
  3. Step 3: Cross multiply
    28,926.72x = 43,390.08 × 15,760.98
  4. Step 4: Simplify right side
    28,926.72x = 683,870,183.08
  5. Step 5: Solve for x
    x = 683,870,183.08/28,926.72
  6. Step 6: Final answer
    x = 23,641.47

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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.