Home / 28,444.85-42,676.64-13,458.41

Finding the Fourth Proportional to 28,444.85, 42,676.64 and 13,458.41

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Solution

The fourth proportional to 28,444.85, 42,676.64 and 13,458.41 is: 20,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.85 : 42,676.64 = 13,458.41 : x
  2. Step 2: Convert to fraction form
    28,444.85/42,676.64 = 13,458.41/x
  3. Step 3: Cross multiply
    28,444.85x = 42,676.64 × 13,458.41
  4. Step 4: Simplify right side
    28,444.85x = 574,359,651.25
  5. Step 5: Solve for x
    x = 574,359,651.25/28,444.85
  6. Step 6: Final answer
    x = 20,192.04

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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.