Home / 19,355.06-28,993.71-16,380.74

Finding the Fourth Proportional to 19,355.06, 28,993.71 and 16,380.74

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Solution

The fourth proportional to 19,355.06, 28,993.71 and 16,380.74 is: 24,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.06 : 28,993.71 = 16,380.74 : x
  2. Step 2: Convert to fraction form
    19,355.06/28,993.71 = 16,380.74/x
  3. Step 3: Cross multiply
    19,355.06x = 28,993.71 × 16,380.74
  4. Step 4: Simplify right side
    19,355.06x = 474,938,425.15
  5. Step 5: Solve for x
    x = 474,938,425.15/19,355.06
  6. Step 6: Final answer
    x = 24,538.20

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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.