Home / 21,325.24-29,393.58-14,249.08

Finding the Fourth Proportional to 21,325.24, 29,393.58 and 14,249.08

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Solution

The fourth proportional to 21,325.24, 29,393.58 and 14,249.08 is: 19,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,325.24 : 29,393.58 = 14,249.08 : x
  2. Step 2: Convert to fraction form
    21,325.24/29,393.58 = 14,249.08/x
  3. Step 3: Cross multiply
    21,325.24x = 29,393.58 × 14,249.08
  4. Step 4: Simplify right side
    21,325.24x = 418,831,472.91
  5. Step 5: Solve for x
    x = 418,831,472.91/21,325.24
  6. Step 6: Final answer
    x = 19,640.18

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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.