Home / 28,150.16-38,852.04-16,211.36

Finding the Fourth Proportional to 28,150.16, 38,852.04 and 16,211.36

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Solution

The fourth proportional to 28,150.16, 38,852.04 and 16,211.36 is: 22,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.16 : 38,852.04 = 16,211.36 : x
  2. Step 2: Convert to fraction form
    28,150.16/38,852.04 = 16,211.36/x
  3. Step 3: Cross multiply
    28,150.16x = 38,852.04 × 16,211.36
  4. Step 4: Simplify right side
    28,150.16x = 629,844,407.17
  5. Step 5: Solve for x
    x = 629,844,407.17/28,150.16
  6. Step 6: Final answer
    x = 22,374.45

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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.