Home / 28,380.63-42,505.33-27,396.48

Finding the Fourth Proportional to 28,380.63, 42,505.33 and 27,396.48

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Solution

The fourth proportional to 28,380.63, 42,505.33 and 27,396.48 is: 41,031.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,380.63 : 42,505.33 = 27,396.48 : x
  2. Step 2: Convert to fraction form
    28,380.63/42,505.33 = 27,396.48/x
  3. Step 3: Cross multiply
    28,380.63x = 42,505.33 × 27,396.48
  4. Step 4: Simplify right side
    28,380.63x = 1,164,496,423.24
  5. Step 5: Solve for x
    x = 1,164,496,423.24/28,380.63
  6. Step 6: Final answer
    x = 41,031.38

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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.