Home / 20,740.37-28,624.17-13,094.75

Finding the Fourth Proportional to 20,740.37, 28,624.17 and 13,094.75

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Solution

The fourth proportional to 20,740.37, 28,624.17 and 13,094.75 is: 18,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740.37 : 28,624.17 = 13,094.75 : x
  2. Step 2: Convert to fraction form
    20,740.37/28,624.17 = 13,094.75/x
  3. Step 3: Cross multiply
    20,740.37x = 28,624.17 × 13,094.75
  4. Step 4: Simplify right side
    20,740.37x = 374,826,206.99
  5. Step 5: Solve for x
    x = 374,826,206.99/20,740.37
  6. Step 6: Final answer
    x = 18,072.31

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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.