Home / 28,032.60-38,683.52-17,422

Finding the Fourth Proportional to 28,032.60, 38,683.52 and 17,422

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Solution

The fourth proportional to 28,032.60, 38,683.52 and 17,422 is: 24,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.60 : 38,683.52 = 17,422 : x
  2. Step 2: Convert to fraction form
    28,032.60/38,683.52 = 17,422/x
  3. Step 3: Cross multiply
    28,032.60x = 38,683.52 × 17,422
  4. Step 4: Simplify right side
    28,032.60x = 673,944,285.44
  5. Step 5: Solve for x
    x = 673,944,285.44/28,032.60
  6. Step 6: Final answer
    x = 24,041.45

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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.