Home / 28,196.73-38,915.63-16,257.73

Finding the Fourth Proportional to 28,196.73, 38,915.63 and 16,257.73

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Solution

The fourth proportional to 28,196.73, 38,915.63 and 16,257.73 is: 22,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.73 : 38,915.63 = 16,257.73 : x
  2. Step 2: Convert to fraction form
    28,196.73/38,915.63 = 16,257.73/x
  3. Step 3: Cross multiply
    28,196.73x = 38,915.63 × 16,257.73
  4. Step 4: Simplify right side
    28,196.73x = 632,679,805.32
  5. Step 5: Solve for x
    x = 632,679,805.32/28,196.73
  6. Step 6: Final answer
    x = 22,438.06

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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.