Home / 28,917.06-43,378.47-13,339.14

Finding the Fourth Proportional to 28,917.06, 43,378.47 and 13,339.14

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Solution

The fourth proportional to 28,917.06, 43,378.47 and 13,339.14 is: 20,010.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.06 : 43,378.47 = 13,339.14 : x
  2. Step 2: Convert to fraction form
    28,917.06/43,378.47 = 13,339.14/x
  3. Step 3: Cross multiply
    28,917.06x = 43,378.47 × 13,339.14
  4. Step 4: Simplify right side
    28,917.06x = 578,631,484.32
  5. Step 5: Solve for x
    x = 578,631,484.32/28,917.06
  6. Step 6: Final answer
    x = 20,010.04

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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.