Home / 26,025.57-39,038.63-20,508.39

Finding the Fourth Proportional to 26,025.57, 39,038.63 and 20,508.39

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Solution

The fourth proportional to 26,025.57, 39,038.63 and 20,508.39 is: 30,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,025.57 : 39,038.63 = 20,508.39 : x
  2. Step 2: Convert to fraction form
    26,025.57/39,038.63 = 20,508.39/x
  3. Step 3: Cross multiply
    26,025.57x = 39,038.63 × 20,508.39
  4. Step 4: Simplify right side
    26,025.57x = 800,619,346.56
  5. Step 5: Solve for x
    x = 800,619,346.56/26,025.57
  6. Step 6: Final answer
    x = 30,762.80

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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.