Home / 22,716.04-31,348.84-14,215.44

Finding the Fourth Proportional to 22,716.04, 31,348.84 and 14,215.44

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Solution

The fourth proportional to 22,716.04, 31,348.84 and 14,215.44 is: 19,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,716.04 : 31,348.84 = 14,215.44 : x
  2. Step 2: Convert to fraction form
    22,716.04/31,348.84 = 14,215.44/x
  3. Step 3: Cross multiply
    22,716.04x = 31,348.84 × 14,215.44
  4. Step 4: Simplify right side
    22,716.04x = 445,637,554.09
  5. Step 5: Solve for x
    x = 445,637,554.09/22,716.04
  6. Step 6: Final answer
    x = 19,617.75

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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.