Home / 28,057.04-38,722.31-16,122.69

Finding the Fourth Proportional to 28,057.04, 38,722.31 and 16,122.69

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Solution

The fourth proportional to 28,057.04, 38,722.31 and 16,122.69 is: 22,251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.04 : 38,722.31 = 16,122.69 : x
  2. Step 2: Convert to fraction form
    28,057.04/38,722.31 = 16,122.69/x
  3. Step 3: Cross multiply
    28,057.04x = 38,722.31 × 16,122.69
  4. Step 4: Simplify right side
    28,057.04x = 624,307,719.60
  5. Step 5: Solve for x
    x = 624,307,719.60/28,057.04
  6. Step 6: Final answer
    x = 22,251.38

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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.