Home / 28,671.58-42,987.73-14,604.38

Finding the Fourth Proportional to 28,671.58, 42,987.73 and 14,604.38

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Solution

The fourth proportional to 28,671.58, 42,987.73 and 14,604.38 is: 21,896.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671.58 : 42,987.73 = 14,604.38 : x
  2. Step 2: Convert to fraction form
    28,671.58/42,987.73 = 14,604.38/x
  3. Step 3: Cross multiply
    28,671.58x = 42,987.73 × 14,604.38
  4. Step 4: Simplify right side
    28,671.58x = 627,809,144.26
  5. Step 5: Solve for x
    x = 627,809,144.26/28,671.58
  6. Step 6: Final answer
    x = 21,896.57

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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.