Home / 28,319.63-42,421.11-16,604.60

Finding the Fourth Proportional to 28,319.63, 42,421.11 and 16,604.60

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Solution

The fourth proportional to 28,319.63, 42,421.11 and 16,604.60 is: 24,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,319.63 : 42,421.11 = 16,604.60 : x
  2. Step 2: Convert to fraction form
    28,319.63/42,421.11 = 16,604.60/x
  3. Step 3: Cross multiply
    28,319.63x = 42,421.11 × 16,604.60
  4. Step 4: Simplify right side
    28,319.63x = 704,385,351.00
  5. Step 5: Solve for x
    x = 704,385,351.00/28,319.63
  6. Step 6: Final answer
    x = 24,872.69

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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.