Home / 28,040.55-38,695.59-16,103.58

Finding the Fourth Proportional to 28,040.55, 38,695.59 and 16,103.58

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Solution

The fourth proportional to 28,040.55, 38,695.59 and 16,103.58 is: 22,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.55 : 38,695.59 = 16,103.58 : x
  2. Step 2: Convert to fraction form
    28,040.55/38,695.59 = 16,103.58/x
  3. Step 3: Cross multiply
    28,040.55x = 38,695.59 × 16,103.58
  4. Step 4: Simplify right side
    28,040.55x = 623,137,529.21
  5. Step 5: Solve for x
    x = 623,137,529.21/28,040.55
  6. Step 6: Final answer
    x = 22,222.73

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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.