Home / 28,998.24-40,009.35-17,668.05

Finding the Fourth Proportional to 28,998.24, 40,009.35 and 17,668.05

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Solution

The fourth proportional to 28,998.24, 40,009.35 and 17,668.05 is: 24,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.24 : 40,009.35 = 17,668.05 : x
  2. Step 2: Convert to fraction form
    28,998.24/40,009.35 = 17,668.05/x
  3. Step 3: Cross multiply
    28,998.24x = 40,009.35 × 17,668.05
  4. Step 4: Simplify right side
    28,998.24x = 706,887,196.27
  5. Step 5: Solve for x
    x = 706,887,196.27/28,998.24
  6. Step 6: Final answer
    x = 24,376.90

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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.