Home / 28,059.82-38,729.18-16,130.08

Finding the Fourth Proportional to 28,059.82, 38,729.18 and 16,130.08

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Solution

The fourth proportional to 28,059.82, 38,729.18 and 16,130.08 is: 22,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059.82 : 38,729.18 = 16,130.08 : x
  2. Step 2: Convert to fraction form
    28,059.82/38,729.18 = 16,130.08/x
  3. Step 3: Cross multiply
    28,059.82x = 38,729.18 × 16,130.08
  4. Step 4: Simplify right side
    28,059.82x = 624,704,497.44
  5. Step 5: Solve for x
    x = 624,704,497.44/28,059.82
  6. Step 6: Final answer
    x = 22,263.31

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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.