Home / 28,032.42-38,690.78-16,102.33

Finding the Fourth Proportional to 28,032.42, 38,690.78 and 16,102.33

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Solution

The fourth proportional to 28,032.42, 38,690.78 and 16,102.33 is: 22,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.42 : 38,690.78 = 16,102.33 : x
  2. Step 2: Convert to fraction form
    28,032.42/38,690.78 = 16,102.33/x
  3. Step 3: Cross multiply
    28,032.42x = 38,690.78 × 16,102.33
  4. Step 4: Simplify right side
    28,032.42x = 623,011,707.52
  5. Step 5: Solve for x
    x = 623,011,707.52/28,032.42
  6. Step 6: Final answer
    x = 22,224.69

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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.