Home / 26,128.09-36,032.88-19,430.47

Finding the Fourth Proportional to 26,128.09, 36,032.88 and 19,430.47

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Solution

The fourth proportional to 26,128.09, 36,032.88 and 19,430.47 is: 26,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.09 : 36,032.88 = 19,430.47 : x
  2. Step 2: Convert to fraction form
    26,128.09/36,032.88 = 19,430.47/x
  3. Step 3: Cross multiply
    26,128.09x = 36,032.88 × 19,430.47
  4. Step 4: Simplify right side
    26,128.09x = 700,135,793.85
  5. Step 5: Solve for x
    x = 700,135,793.85/26,128.09
  6. Step 6: Final answer
    x = 26,796.29

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1.5x scale

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.