Home / 26,189.76-39,313.68-13,038.60

Finding the Fourth Proportional to 26,189.76, 39,313.68 and 13,038.60

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Solution

The fourth proportional to 26,189.76, 39,313.68 and 13,038.60 is: 19,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189.76 : 39,313.68 = 13,038.60 : x
  2. Step 2: Convert to fraction form
    26,189.76/39,313.68 = 13,038.60/x
  3. Step 3: Cross multiply
    26,189.76x = 39,313.68 × 13,038.60
  4. Step 4: Simplify right side
    26,189.76x = 512,595,348.05
  5. Step 5: Solve for x
    x = 512,595,348.05/26,189.76
  6. Step 6: Final answer
    x = 19,572.36

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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.