Home / 20,584.80-30,852.90-15,384.60

Finding the Fourth Proportional to 20,584.80, 30,852.90 and 15,384.60

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Solution

The fourth proportional to 20,584.80, 30,852.90 and 15,384.60 is: 23,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.80 : 30,852.90 = 15,384.60 : x
  2. Step 2: Convert to fraction form
    20,584.80/30,852.90 = 15,384.60/x
  3. Step 3: Cross multiply
    20,584.80x = 30,852.90 × 15,384.60
  4. Step 4: Simplify right side
    20,584.80x = 474,659,525.34
  5. Step 5: Solve for x
    x = 474,659,525.34/20,584.80
  6. Step 6: Final answer
    x = 23,058.74

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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.