Home / 28,790.28-43,174.02-13,994.82

Finding the Fourth Proportional to 28,790.28, 43,174.02 and 13,994.82

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Solution

The fourth proportional to 28,790.28, 43,174.02 and 13,994.82 is: 20,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790.28 : 43,174.02 = 13,994.82 : x
  2. Step 2: Convert to fraction form
    28,790.28/43,174.02 = 13,994.82/x
  3. Step 3: Cross multiply
    28,790.28x = 43,174.02 × 13,994.82
  4. Step 4: Simplify right side
    28,790.28x = 604,212,638.58
  5. Step 5: Solve for x
    x = 604,212,638.58/28,790.28
  6. Step 6: Final answer
    x = 20,986.69

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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.