Home / 26,804.71-40,178.67-9,018.43

Finding the Fourth Proportional to 26,804.71, 40,178.67 and 9,018.43

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Solution

The fourth proportional to 26,804.71, 40,178.67 and 9,018.43 is: 13,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,804.71 : 40,178.67 = 9,018.43 : x
  2. Step 2: Convert to fraction form
    26,804.71/40,178.67 = 9,018.43/x
  3. Step 3: Cross multiply
    26,804.71x = 40,178.67 × 9,018.43
  4. Step 4: Simplify right side
    26,804.71x = 362,348,522.89
  5. Step 5: Solve for x
    x = 362,348,522.89/26,804.71
  6. Step 6: Final answer
    x = 13,518.09

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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.