Home / 28,733.05-39,648.16-15,983.01

Finding the Fourth Proportional to 28,733.05, 39,648.16 and 15,983.01

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Solution

The fourth proportional to 28,733.05, 39,648.16 and 15,983.01 is: 22,054.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.05 : 39,648.16 = 15,983.01 : x
  2. Step 2: Convert to fraction form
    28,733.05/39,648.16 = 15,983.01/x
  3. Step 3: Cross multiply
    28,733.05x = 39,648.16 × 15,983.01
  4. Step 4: Simplify right side
    28,733.05x = 633,696,857.03
  5. Step 5: Solve for x
    x = 633,696,857.03/28,733.05
  6. Step 6: Final answer
    x = 22,054.64

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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.