Home / 26,303.40-39,378.42-13,793.76

Finding the Fourth Proportional to 26,303.40, 39,378.42 and 13,793.76

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Solution

The fourth proportional to 26,303.40, 39,378.42 and 13,793.76 is: 20,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,303.40 : 39,378.42 = 13,793.76 : x
  2. Step 2: Convert to fraction form
    26,303.40/39,378.42 = 13,793.76/x
  3. Step 3: Cross multiply
    26,303.40x = 39,378.42 × 13,793.76
  4. Step 4: Simplify right side
    26,303.40x = 543,176,474.66
  5. Step 5: Solve for x
    x = 543,176,474.66/26,303.40
  6. Step 6: Final answer
    x = 20,650.43

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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.