Home / 28,760.87-43,087.01-14,729.78

Finding the Fourth Proportional to 28,760.87, 43,087.01 and 14,729.78

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Solution

The fourth proportional to 28,760.87, 43,087.01 and 14,729.78 is: 22,066.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.87 : 43,087.01 = 14,729.78 : x
  2. Step 2: Convert to fraction form
    28,760.87/43,087.01 = 14,729.78/x
  3. Step 3: Cross multiply
    28,760.87x = 43,087.01 × 14,729.78
  4. Step 4: Simplify right side
    28,760.87x = 634,662,212.23
  5. Step 5: Solve for x
    x = 634,662,212.23/28,760.87
  6. Step 6: Final answer
    x = 22,066.86

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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.