Home / 28,123.11-42,183.60-7,063.29

Finding the Fourth Proportional to 28,123.11, 42,183.60 and 7,063.29

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Solution

The fourth proportional to 28,123.11, 42,183.60 and 7,063.29 is: 10,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,123.11 : 42,183.60 = 7,063.29 : x
  2. Step 2: Convert to fraction form
    28,123.11/42,183.60 = 7,063.29/x
  3. Step 3: Cross multiply
    28,123.11x = 42,183.60 × 7,063.29
  4. Step 4: Simplify right side
    28,123.11x = 297,955,000.04
  5. Step 5: Solve for x
    x = 297,955,000.04/28,123.11
  6. Step 6: Final answer
    x = 10,594.67

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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.