Home / 20,205.74-30,280.52-17,567.84

Finding the Fourth Proportional to 20,205.74, 30,280.52 and 17,567.84

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Solution

The fourth proportional to 20,205.74, 30,280.52 and 17,567.84 is: 26,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.74 : 30,280.52 = 17,567.84 : x
  2. Step 2: Convert to fraction form
    20,205.74/30,280.52 = 17,567.84/x
  3. Step 3: Cross multiply
    20,205.74x = 30,280.52 × 17,567.84
  4. Step 4: Simplify right side
    20,205.74x = 531,963,330.48
  5. Step 5: Solve for x
    x = 531,963,330.48/20,205.74
  6. Step 6: Final answer
    x = 26,327.34

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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.