Home / 28,939.37-43,408.58-9,217.67

Finding the Fourth Proportional to 28,939.37, 43,408.58 and 9,217.67

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Solution

The fourth proportional to 28,939.37, 43,408.58 and 9,217.67 is: 13,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.37 : 43,408.58 = 9,217.67 : x
  2. Step 2: Convert to fraction form
    28,939.37/43,408.58 = 9,217.67/x
  3. Step 3: Cross multiply
    28,939.37x = 43,408.58 × 9,217.67
  4. Step 4: Simplify right side
    28,939.37x = 400,125,702.48
  5. Step 5: Solve for x
    x = 400,125,702.48/28,939.37
  6. Step 6: Final answer
    x = 13,826.35

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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.