Home / 28,334.97-42,504.90-13,555.71

Finding the Fourth Proportional to 28,334.97, 42,504.90 and 13,555.71

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Solution

The fourth proportional to 28,334.97, 42,504.90 and 13,555.71 is: 20,334.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.97 : 42,504.90 = 13,555.71 : x
  2. Step 2: Convert to fraction form
    28,334.97/42,504.90 = 13,555.71/x
  3. Step 3: Cross multiply
    28,334.97x = 42,504.90 × 13,555.71
  4. Step 4: Simplify right side
    28,334.97x = 576,184,097.98
  5. Step 5: Solve for x
    x = 576,184,097.98/28,334.97
  6. Step 6: Final answer
    x = 20,334.73

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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.