Home / 28,467.02-39,282.90-15,892.58

Finding the Fourth Proportional to 28,467.02, 39,282.90 and 15,892.58

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Solution

The fourth proportional to 28,467.02, 39,282.90 and 15,892.58 is: 21,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467.02 : 39,282.90 = 15,892.58 : x
  2. Step 2: Convert to fraction form
    28,467.02/39,282.90 = 15,892.58/x
  3. Step 3: Cross multiply
    28,467.02x = 39,282.90 × 15,892.58
  4. Step 4: Simplify right side
    28,467.02x = 624,306,630.88
  5. Step 5: Solve for x
    x = 624,306,630.88/28,467.02
  6. Step 6: Final answer
    x = 21,930.87

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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.