Home / 28,636.63-39,535.83-18,717.91

Finding the Fourth Proportional to 28,636.63, 39,535.83 and 18,717.91

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Solution

The fourth proportional to 28,636.63, 39,535.83 and 18,717.91 is: 25,842.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636.63 : 39,535.83 = 18,717.91 : x
  2. Step 2: Convert to fraction form
    28,636.63/39,535.83 = 18,717.91/x
  3. Step 3: Cross multiply
    28,636.63x = 39,535.83 × 18,717.91
  4. Step 4: Simplify right side
    28,636.63x = 740,027,816.45
  5. Step 5: Solve for x
    x = 740,027,816.45/28,636.63
  6. Step 6: Final answer
    x = 25,842.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.