Home / 26,430.93-39,668.27-19,835.91

Finding the Fourth Proportional to 26,430.93, 39,668.27 and 19,835.91

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Solution

The fourth proportional to 26,430.93, 39,668.27 and 19,835.91 is: 29,770.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.93 : 39,668.27 = 19,835.91 : x
  2. Step 2: Convert to fraction form
    26,430.93/39,668.27 = 19,835.91/x
  3. Step 3: Cross multiply
    26,430.93x = 39,668.27 × 19,835.91
  4. Step 4: Simplify right side
    26,430.93x = 786,856,134.40
  5. Step 5: Solve for x
    x = 786,856,134.40/26,430.93
  6. Step 6: Final answer
    x = 29,770.28

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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.