Home / 26,265.76-39,393.36-8,730.40

Finding the Fourth Proportional to 26,265.76, 39,393.36 and 8,730.40

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Solution

The fourth proportional to 26,265.76, 39,393.36 and 8,730.40 is: 13,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,265.76 : 39,393.36 = 8,730.40 : x
  2. Step 2: Convert to fraction form
    26,265.76/39,393.36 = 8,730.40/x
  3. Step 3: Cross multiply
    26,265.76x = 39,393.36 × 8,730.40
  4. Step 4: Simplify right side
    26,265.76x = 343,919,790.14
  5. Step 5: Solve for x
    x = 343,919,790.14/26,265.76
  6. Step 6: Final answer
    x = 13,093.84

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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.