Home / 26,206.20-39,311.70-10,620.60

Finding the Fourth Proportional to 26,206.20, 39,311.70 and 10,620.60

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Solution

The fourth proportional to 26,206.20, 39,311.70 and 10,620.60 is: 15,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,206.20 : 39,311.70 = 10,620.60 : x
  2. Step 2: Convert to fraction form
    26,206.20/39,311.70 = 10,620.60/x
  3. Step 3: Cross multiply
    26,206.20x = 39,311.70 × 10,620.60
  4. Step 4: Simplify right side
    26,206.20x = 417,513,841.02
  5. Step 5: Solve for x
    x = 417,513,841.02/26,206.20
  6. Step 6: Final answer
    x = 15,931.87

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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.