Home / 21,223.44-29,277.28-14,415.04

Finding the Fourth Proportional to 21,223.44, 29,277.28 and 14,415.04

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Solution

The fourth proportional to 21,223.44, 29,277.28 and 14,415.04 is: 19,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,223.44 : 29,277.28 = 14,415.04 : x
  2. Step 2: Convert to fraction form
    21,223.44/29,277.28 = 14,415.04/x
  3. Step 3: Cross multiply
    21,223.44x = 29,277.28 × 14,415.04
  4. Step 4: Simplify right side
    21,223.44x = 422,033,162.29
  5. Step 5: Solve for x
    x = 422,033,162.29/21,223.44
  6. Step 6: Final answer
    x = 19,885.24

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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.