Home / 26,235.36-39,309.26-18,430.20

Finding the Fourth Proportional to 26,235.36, 39,309.26 and 18,430.20

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Solution

The fourth proportional to 26,235.36, 39,309.26 and 18,430.20 is: 27,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,235.36 : 39,309.26 = 18,430.20 : x
  2. Step 2: Convert to fraction form
    26,235.36/39,309.26 = 18,430.20/x
  3. Step 3: Cross multiply
    26,235.36x = 39,309.26 × 18,430.20
  4. Step 4: Simplify right side
    26,235.36x = 724,477,431.50
  5. Step 5: Solve for x
    x = 724,477,431.50/26,235.36
  6. Step 6: Final answer
    x = 27,614.54

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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.