Home / 28,768.12-43,089.87-13,946.04

Finding the Fourth Proportional to 28,768.12, 43,089.87 and 13,946.04

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Solution

The fourth proportional to 28,768.12, 43,089.87 and 13,946.04 is: 20,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.12 : 43,089.87 = 13,946.04 : x
  2. Step 2: Convert to fraction form
    28,768.12/43,089.87 = 13,946.04/x
  3. Step 3: Cross multiply
    28,768.12x = 43,089.87 × 13,946.04
  4. Step 4: Simplify right side
    28,768.12x = 600,932,835.17
  5. Step 5: Solve for x
    x = 600,932,835.17/28,768.12
  6. Step 6: Final answer
    x = 20,888.85

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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.