Home / 23,408.40-32,303.56-13,336.80

Finding the Fourth Proportional to 23,408.40, 32,303.56 and 13,336.80

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Solution

The fourth proportional to 23,408.40, 32,303.56 and 13,336.80 is: 18,404.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,408.40 : 32,303.56 = 13,336.80 : x
  2. Step 2: Convert to fraction form
    23,408.40/32,303.56 = 13,336.80/x
  3. Step 3: Cross multiply
    23,408.40x = 32,303.56 × 13,336.80
  4. Step 4: Simplify right side
    23,408.40x = 430,826,119.01
  5. Step 5: Solve for x
    x = 430,826,119.01/23,408.40
  6. Step 6: Final answer
    x = 18,404.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.