Home / 28,951.75-39,955.85-16,378.93

Finding the Fourth Proportional to 28,951.75, 39,955.85 and 16,378.93

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Solution

The fourth proportional to 28,951.75, 39,955.85 and 16,378.93 is: 22,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951.75 : 39,955.85 = 16,378.93 : x
  2. Step 2: Convert to fraction form
    28,951.75/39,955.85 = 16,378.93/x
  3. Step 3: Cross multiply
    28,951.75x = 39,955.85 × 16,378.93
  4. Step 4: Simplify right side
    28,951.75x = 654,434,070.24
  5. Step 5: Solve for x
    x = 654,434,070.24/28,951.75
  6. Step 6: Final answer
    x = 22,604.30

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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.