Home / 28,634.64-39,506.28-17,307.60

Finding the Fourth Proportional to 28,634.64, 39,506.28 and 17,307.60

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Solution

The fourth proportional to 28,634.64, 39,506.28 and 17,307.60 is: 23,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.64 : 39,506.28 = 17,307.60 : x
  2. Step 2: Convert to fraction form
    28,634.64/39,506.28 = 17,307.60/x
  3. Step 3: Cross multiply
    28,634.64x = 39,506.28 × 17,307.60
  4. Step 4: Simplify right side
    28,634.64x = 683,758,891.73
  5. Step 5: Solve for x
    x = 683,758,891.73/28,634.64
  6. Step 6: Final answer
    x = 23,878.73

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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.