Home / 28,635.36-39,517.24-17,303.28

Finding the Fourth Proportional to 28,635.36, 39,517.24 and 17,303.28

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Solution

The fourth proportional to 28,635.36, 39,517.24 and 17,303.28 is: 23,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,635.36 : 39,517.24 = 17,303.28 : x
  2. Step 2: Convert to fraction form
    28,635.36/39,517.24 = 17,303.28/x
  3. Step 3: Cross multiply
    28,635.36x = 39,517.24 × 17,303.28
  4. Step 4: Simplify right side
    28,635.36x = 683,777,868.55
  5. Step 5: Solve for x
    x = 683,777,868.55/28,635.36
  6. Step 6: Final answer
    x = 23,878.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.