Home / 26,754.81-36,918.60-14,815.14

Finding the Fourth Proportional to 26,754.81, 36,918.60 and 14,815.14

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Solution

The fourth proportional to 26,754.81, 36,918.60 and 14,815.14 is: 20,443.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,754.81 : 36,918.60 = 14,815.14 : x
  2. Step 2: Convert to fraction form
    26,754.81/36,918.60 = 14,815.14/x
  3. Step 3: Cross multiply
    26,754.81x = 36,918.60 × 14,815.14
  4. Step 4: Simplify right side
    26,754.81x = 546,954,227.60
  5. Step 5: Solve for x
    x = 546,954,227.60/26,754.81
  6. Step 6: Final answer
    x = 20,443.21

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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.