Home / 26,890.70-40,336.05-9,348.20

Finding the Fourth Proportional to 26,890.70, 40,336.05 and 9,348.20

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Solution

The fourth proportional to 26,890.70, 40,336.05 and 9,348.20 is: 14,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.70 : 40,336.05 = 9,348.20 : x
  2. Step 2: Convert to fraction form
    26,890.70/40,336.05 = 9,348.20/x
  3. Step 3: Cross multiply
    26,890.70x = 40,336.05 × 9,348.20
  4. Step 4: Simplify right side
    26,890.70x = 377,069,462.61
  5. Step 5: Solve for x
    x = 377,069,462.61/26,890.70
  6. Step 6: Final answer
    x = 14,022.30

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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.