Home / 26,228.18-39,320.90-12,197.07

Finding the Fourth Proportional to 26,228.18, 39,320.90 and 12,197.07

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Solution

The fourth proportional to 26,228.18, 39,320.90 and 12,197.07 is: 18,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.18 : 39,320.90 = 12,197.07 : x
  2. Step 2: Convert to fraction form
    26,228.18/39,320.90 = 12,197.07/x
  3. Step 3: Cross multiply
    26,228.18x = 39,320.90 × 12,197.07
  4. Step 4: Simplify right side
    26,228.18x = 479,599,769.76
  5. Step 5: Solve for x
    x = 479,599,769.76/26,228.18
  6. Step 6: Final answer
    x = 18,285.67

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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.