Home / 26,706.14-36,815.18-21,022.68

Finding the Fourth Proportional to 26,706.14, 36,815.18 and 21,022.68

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Solution

The fourth proportional to 26,706.14, 36,815.18 and 21,022.68 is: 28,980.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,706.14 : 36,815.18 = 21,022.68 : x
  2. Step 2: Convert to fraction form
    26,706.14/36,815.18 = 21,022.68/x
  3. Step 3: Cross multiply
    26,706.14x = 36,815.18 × 21,022.68
  4. Step 4: Simplify right side
    26,706.14x = 773,953,748.28
  5. Step 5: Solve for x
    x = 773,953,748.28/26,706.14
  6. Step 6: Final answer
    x = 28,980.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.