Home / 28,354.57-39,129.26-17,595.44

Finding the Fourth Proportional to 28,354.57, 39,129.26 and 17,595.44

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Solution

The fourth proportional to 28,354.57, 39,129.26 and 17,595.44 is: 24,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354.57 : 39,129.26 = 17,595.44 : x
  2. Step 2: Convert to fraction form
    28,354.57/39,129.26 = 17,595.44/x
  3. Step 3: Cross multiply
    28,354.57x = 39,129.26 × 17,595.44
  4. Step 4: Simplify right side
    28,354.57x = 688,496,546.57
  5. Step 5: Solve for x
    x = 688,496,546.57/28,354.57
  6. Step 6: Final answer
    x = 24,281.68

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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.