Home / 26,511.62-39,754.72-15,421.28

Finding the Fourth Proportional to 26,511.62, 39,754.72 and 15,421.28

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Solution

The fourth proportional to 26,511.62, 39,754.72 and 15,421.28 is: 23,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,511.62 : 39,754.72 = 15,421.28 : x
  2. Step 2: Convert to fraction form
    26,511.62/39,754.72 = 15,421.28/x
  3. Step 3: Cross multiply
    26,511.62x = 39,754.72 × 15,421.28
  4. Step 4: Simplify right side
    26,511.62x = 613,068,668.44
  5. Step 5: Solve for x
    x = 613,068,668.44/26,511.62
  6. Step 6: Final answer
    x = 23,124.53

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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.