Home / 27,129.26-40,703.67-14,465.69

Finding the Fourth Proportional to 27,129.26, 40,703.67 and 14,465.69

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Solution

The fourth proportional to 27,129.26, 40,703.67 and 14,465.69 is: 21,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.26 : 40,703.67 = 14,465.69 : x
  2. Step 2: Convert to fraction form
    27,129.26/40,703.67 = 14,465.69/x
  3. Step 3: Cross multiply
    27,129.26x = 40,703.67 × 14,465.69
  4. Step 4: Simplify right side
    27,129.26x = 588,806,566.96
  5. Step 5: Solve for x
    x = 588,806,566.96/27,129.26
  6. Step 6: Final answer
    x = 21,703.75

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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.