Home / 26,409.40-39,629.70-9,781.24

Finding the Fourth Proportional to 26,409.40, 39,629.70 and 9,781.24

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Solution

The fourth proportional to 26,409.40, 39,629.70 and 9,781.24 is: 14,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.40 : 39,629.70 = 9,781.24 : x
  2. Step 2: Convert to fraction form
    26,409.40/39,629.70 = 9,781.24/x
  3. Step 3: Cross multiply
    26,409.40x = 39,629.70 × 9,781.24
  4. Step 4: Simplify right side
    26,409.40x = 387,627,606.83
  5. Step 5: Solve for x
    x = 387,627,606.83/26,409.40
  6. Step 6: Final answer
    x = 14,677.64

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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.