Home / 28,484.87-42,736.51-13,694.91

Finding the Fourth Proportional to 28,484.87, 42,736.51 and 13,694.91

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Solution

The fourth proportional to 28,484.87, 42,736.51 and 13,694.91 is: 20,546.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,484.87 : 42,736.51 = 13,694.91 : x
  2. Step 2: Convert to fraction form
    28,484.87/42,736.51 = 13,694.91/x
  3. Step 3: Cross multiply
    28,484.87x = 42,736.51 × 13,694.91
  4. Step 4: Simplify right side
    28,484.87x = 585,272,515.02
  5. Step 5: Solve for x
    x = 585,272,515.02/28,484.87
  6. Step 6: Final answer
    x = 20,546.79

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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.