Home / 28,122.65-38,784.09-23,334.98

Finding the Fourth Proportional to 28,122.65, 38,784.09 and 23,334.98

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Solution

The fourth proportional to 28,122.65, 38,784.09 and 23,334.98 is: 32,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,122.65 : 38,784.09 = 23,334.98 : x
  2. Step 2: Convert to fraction form
    28,122.65/38,784.09 = 23,334.98/x
  3. Step 3: Cross multiply
    28,122.65x = 38,784.09 × 23,334.98
  4. Step 4: Simplify right side
    28,122.65x = 905,025,770.55
  5. Step 5: Solve for x
    x = 905,025,770.55/28,122.65
  6. Step 6: Final answer
    x = 32,181.39

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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.