Home / 20,467.40-30,701.10-15,546.65

Finding the Fourth Proportional to 20,467.40, 30,701.10 and 15,546.65

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Solution

The fourth proportional to 20,467.40, 30,701.10 and 15,546.65 is: 23,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.40 : 30,701.10 = 15,546.65 : x
  2. Step 2: Convert to fraction form
    20,467.40/30,701.10 = 15,546.65/x
  3. Step 3: Cross multiply
    20,467.40x = 30,701.10 × 15,546.65
  4. Step 4: Simplify right side
    20,467.40x = 477,299,256.32
  5. Step 5: Solve for x
    x = 477,299,256.32/20,467.40
  6. Step 6: Final answer
    x = 23,319.98

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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.