Home / 28,025.10-42,021.45-10,496.70

Finding the Fourth Proportional to 28,025.10, 42,021.45 and 10,496.70

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Solution

The fourth proportional to 28,025.10, 42,021.45 and 10,496.70 is: 15,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.10 : 42,021.45 = 10,496.70 : x
  2. Step 2: Convert to fraction form
    28,025.10/42,021.45 = 10,496.70/x
  3. Step 3: Cross multiply
    28,025.10x = 42,021.45 × 10,496.70
  4. Step 4: Simplify right side
    28,025.10x = 441,086,554.22
  5. Step 5: Solve for x
    x = 441,086,554.22/28,025.10
  6. Step 6: Final answer
    x = 15,738.98

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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.