Home / 28,442.34-39,243.24-17,108.19

Finding the Fourth Proportional to 28,442.34, 39,243.24 and 17,108.19

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Solution

The fourth proportional to 28,442.34, 39,243.24 and 17,108.19 is: 23,604.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442.34 : 39,243.24 = 17,108.19 : x
  2. Step 2: Convert to fraction form
    28,442.34/39,243.24 = 17,108.19/x
  3. Step 3: Cross multiply
    28,442.34x = 39,243.24 × 17,108.19
  4. Step 4: Simplify right side
    28,442.34x = 671,380,806.14
  5. Step 5: Solve for x
    x = 671,380,806.14/28,442.34
  6. Step 6: Final answer
    x = 23,604.98

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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.