Home / 26,131.79-39,170.85-10,330.40

Finding the Fourth Proportional to 26,131.79, 39,170.85 and 10,330.40

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Solution

The fourth proportional to 26,131.79, 39,170.85 and 10,330.40 is: 15,484.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,131.79 : 39,170.85 = 10,330.40 : x
  2. Step 2: Convert to fraction form
    26,131.79/39,170.85 = 10,330.40/x
  3. Step 3: Cross multiply
    26,131.79x = 39,170.85 × 10,330.40
  4. Step 4: Simplify right side
    26,131.79x = 404,650,352.99
  5. Step 5: Solve for x
    x = 404,650,352.99/26,131.79
  6. Step 6: Final answer
    x = 15,484.99

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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.