Home / 26,344.78-39,520.80-10,758.76

Finding the Fourth Proportional to 26,344.78, 39,520.80 and 10,758.76

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Solution

The fourth proportional to 26,344.78, 39,520.80 and 10,758.76 is: 16,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,344.78 : 39,520.80 = 10,758.76 : x
  2. Step 2: Convert to fraction form
    26,344.78/39,520.80 = 10,758.76/x
  3. Step 3: Cross multiply
    26,344.78x = 39,520.80 × 10,758.76
  4. Step 4: Simplify right side
    26,344.78x = 425,194,802.21
  5. Step 5: Solve for x
    x = 425,194,802.21/26,344.78
  6. Step 6: Final answer
    x = 16,139.62

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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.