Home / 28,739.74-43,095-13,144

Finding the Fourth Proportional to 28,739.74, 43,095 and 13,144

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Solution

The fourth proportional to 28,739.74, 43,095 and 13,144 is: 19,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739.74 : 43,095 = 13,144 : x
  2. Step 2: Convert to fraction form
    28,739.74/43,095 = 13,144/x
  3. Step 3: Cross multiply
    28,739.74x = 43,095 × 13,144
  4. Step 4: Simplify right side
    28,739.74x = 566,440,680
  5. Step 5: Solve for x
    x = 566,440,680/28,739.74
  6. Step 6: Final answer
    x = 19,709.32

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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.