Home / 26,841.46-40,265.39-12,980.50

Finding the Fourth Proportional to 26,841.46, 40,265.39 and 12,980.50

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Solution

The fourth proportional to 26,841.46, 40,265.39 and 12,980.50 is: 19,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,841.46 : 40,265.39 = 12,980.50 : x
  2. Step 2: Convert to fraction form
    26,841.46/40,265.39 = 12,980.50/x
  3. Step 3: Cross multiply
    26,841.46x = 40,265.39 × 12,980.50
  4. Step 4: Simplify right side
    26,841.46x = 522,664,894.90
  5. Step 5: Solve for x
    x = 522,664,894.90/26,841.46
  6. Step 6: Final answer
    x = 19,472.30

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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.