Home / 28,816.83-39,771.13-16,884.92

Finding the Fourth Proportional to 28,816.83, 39,771.13 and 16,884.92

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Solution

The fourth proportional to 28,816.83, 39,771.13 and 16,884.92 is: 23,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.83 : 39,771.13 = 16,884.92 : x
  2. Step 2: Convert to fraction form
    28,816.83/39,771.13 = 16,884.92/x
  3. Step 3: Cross multiply
    28,816.83x = 39,771.13 × 16,884.92
  4. Step 4: Simplify right side
    28,816.83x = 671,532,405.58
  5. Step 5: Solve for x
    x = 671,532,405.58/28,816.83
  6. Step 6: Final answer
    x = 23,303.48

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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.