Home / 28,858.20-43,287.30-16,416.60

Finding the Fourth Proportional to 28,858.20, 43,287.30 and 16,416.60

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Solution

The fourth proportional to 28,858.20, 43,287.30 and 16,416.60 is: 24,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.20 : 43,287.30 = 16,416.60 : x
  2. Step 2: Convert to fraction form
    28,858.20/43,287.30 = 16,416.60/x
  3. Step 3: Cross multiply
    28,858.20x = 43,287.30 × 16,416.60
  4. Step 4: Simplify right side
    28,858.20x = 710,630,289.18
  5. Step 5: Solve for x
    x = 710,630,289.18/28,858.20
  6. Step 6: Final answer
    x = 24,624.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.