Home / 26,478.29-39,723.35-8,947.67

Finding the Fourth Proportional to 26,478.29, 39,723.35 and 8,947.67

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Solution

The fourth proportional to 26,478.29, 39,723.35 and 8,947.67 is: 13,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.29 : 39,723.35 = 8,947.67 : x
  2. Step 2: Convert to fraction form
    26,478.29/39,723.35 = 8,947.67/x
  3. Step 3: Cross multiply
    26,478.29x = 39,723.35 × 8,947.67
  4. Step 4: Simplify right side
    26,478.29x = 355,431,183.74
  5. Step 5: Solve for x
    x = 355,431,183.74/26,478.29
  6. Step 6: Final answer
    x = 13,423.49

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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.