Home / 28,860.69-43,211.31-14,790.42

Finding the Fourth Proportional to 28,860.69, 43,211.31 and 14,790.42

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Solution

The fourth proportional to 28,860.69, 43,211.31 and 14,790.42 is: 22,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.69 : 43,211.31 = 14,790.42 : x
  2. Step 2: Convert to fraction form
    28,860.69/43,211.31 = 14,790.42/x
  3. Step 3: Cross multiply
    28,860.69x = 43,211.31 × 14,790.42
  4. Step 4: Simplify right side
    28,860.69x = 639,113,423.65
  5. Step 5: Solve for x
    x = 639,113,423.65/28,860.69
  6. Step 6: Final answer
    x = 22,144.77

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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.