Home / 26,086.75-39,042.63-21,406.57

Finding the Fourth Proportional to 26,086.75, 39,042.63 and 21,406.57

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Solution

The fourth proportional to 26,086.75, 39,042.63 and 21,406.57 is: 32,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,086.75 : 39,042.63 = 21,406.57 : x
  2. Step 2: Convert to fraction form
    26,086.75/39,042.63 = 21,406.57/x
  3. Step 3: Cross multiply
    26,086.75x = 39,042.63 × 21,406.57
  4. Step 4: Simplify right side
    26,086.75x = 835,768,792.08
  5. Step 5: Solve for x
    x = 835,768,792.08/26,086.75
  6. Step 6: Final answer
    x = 32,038.06

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1.5x scale

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.