Home / 21,595.13-29,806.19-14,028.28

Finding the Fourth Proportional to 21,595.13, 29,806.19 and 14,028.28

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Solution

The fourth proportional to 21,595.13, 29,806.19 and 14,028.28 is: 19,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.13 : 29,806.19 = 14,028.28 : x
  2. Step 2: Convert to fraction form
    21,595.13/29,806.19 = 14,028.28/x
  3. Step 3: Cross multiply
    21,595.13x = 29,806.19 × 14,028.28
  4. Step 4: Simplify right side
    21,595.13x = 418,129,579.05
  5. Step 5: Solve for x
    x = 418,129,579.05/21,595.13
  6. Step 6: Final answer
    x = 19,362.22

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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.