Home / 21,852.72-32,730.30-19,005.12

Finding the Fourth Proportional to 21,852.72, 32,730.30 and 19,005.12

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Solution

The fourth proportional to 21,852.72, 32,730.30 and 19,005.12 is: 28,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852.72 : 32,730.30 = 19,005.12 : x
  2. Step 2: Convert to fraction form
    21,852.72/32,730.30 = 19,005.12/x
  3. Step 3: Cross multiply
    21,852.72x = 32,730.30 × 19,005.12
  4. Step 4: Simplify right side
    21,852.72x = 622,043,279.14
  5. Step 5: Solve for x
    x = 622,043,279.14/21,852.72
  6. Step 6: Final answer
    x = 28,465.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.