Home / 21,529.30-29,724.94-19,253.58

Finding the Fourth Proportional to 21,529.30, 29,724.94 and 19,253.58

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Solution

The fourth proportional to 21,529.30, 29,724.94 and 19,253.58 is: 26,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,529.30 : 29,724.94 = 19,253.58 : x
  2. Step 2: Convert to fraction form
    21,529.30/29,724.94 = 19,253.58/x
  3. Step 3: Cross multiply
    21,529.30x = 29,724.94 × 19,253.58
  4. Step 4: Simplify right side
    21,529.30x = 572,311,414.02
  5. Step 5: Solve for x
    x = 572,311,414.02/21,529.30
  6. Step 6: Final answer
    x = 26,582.91

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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.