Home / 28,057.55-38,721.31-16,125.64

Finding the Fourth Proportional to 28,057.55, 38,721.31 and 16,125.64

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Solution

The fourth proportional to 28,057.55, 38,721.31 and 16,125.64 is: 22,254.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.55 : 38,721.31 = 16,125.64 : x
  2. Step 2: Convert to fraction form
    28,057.55/38,721.31 = 16,125.64/x
  3. Step 3: Cross multiply
    28,057.55x = 38,721.31 × 16,125.64
  4. Step 4: Simplify right side
    28,057.55x = 624,405,768.27
  5. Step 5: Solve for x
    x = 624,405,768.27/28,057.55
  6. Step 6: Final answer
    x = 22,254.47

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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.