Home / 28,454.58-42,672.65-9,474.15

Finding the Fourth Proportional to 28,454.58, 42,672.65 and 9,474.15

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Solution

The fourth proportional to 28,454.58, 42,672.65 and 9,474.15 is: 14,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454.58 : 42,672.65 = 9,474.15 : x
  2. Step 2: Convert to fraction form
    28,454.58/42,672.65 = 9,474.15/x
  3. Step 3: Cross multiply
    28,454.58x = 42,672.65 × 9,474.15
  4. Step 4: Simplify right side
    28,454.58x = 404,287,039.63
  5. Step 5: Solve for x
    x = 404,287,039.63/28,454.58
  6. Step 6: Final answer
    x = 14,208.15

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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.