Home / 28,860.89-43,295.66-10,137.63

Finding the Fourth Proportional to 28,860.89, 43,295.66 and 10,137.63

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Solution

The fourth proportional to 28,860.89, 43,295.66 and 10,137.63 is: 15,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.89 : 43,295.66 = 10,137.63 : x
  2. Step 2: Convert to fraction form
    28,860.89/43,295.66 = 10,137.63/x
  3. Step 3: Cross multiply
    28,860.89x = 43,295.66 × 10,137.63
  4. Step 4: Simplify right side
    28,860.89x = 438,915,381.69
  5. Step 5: Solve for x
    x = 438,915,381.69/28,860.89
  6. Step 6: Final answer
    x = 15,207.96

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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.