Home / 26,107.80-39,129.30-23,321.40

Finding the Fourth Proportional to 26,107.80, 39,129.30 and 23,321.40

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Solution

The fourth proportional to 26,107.80, 39,129.30 and 23,321.40 is: 34,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.80 : 39,129.30 = 23,321.40 : x
  2. Step 2: Convert to fraction form
    26,107.80/39,129.30 = 23,321.40/x
  3. Step 3: Cross multiply
    26,107.80x = 39,129.30 × 23,321.40
  4. Step 4: Simplify right side
    26,107.80x = 912,550,057.02
  5. Step 5: Solve for x
    x = 912,550,057.02/26,107.80
  6. Step 6: Final answer
    x = 34,953.16

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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.