Home / 28,466.67-39,231.90-18,889.65

Finding the Fourth Proportional to 28,466.67, 39,231.90 and 18,889.65

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Solution

The fourth proportional to 28,466.67, 39,231.90 and 18,889.65 is: 26,033.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,466.67 : 39,231.90 = 18,889.65 : x
  2. Step 2: Convert to fraction form
    28,466.67/39,231.90 = 18,889.65/x
  3. Step 3: Cross multiply
    28,466.67x = 39,231.90 × 18,889.65
  4. Step 4: Simplify right side
    28,466.67x = 741,076,859.84
  5. Step 5: Solve for x
    x = 741,076,859.84/28,466.67
  6. Step 6: Final answer
    x = 26,033.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.