Home / 28,190.60-38,894.26-16,252.41

Finding the Fourth Proportional to 28,190.60, 38,894.26 and 16,252.41

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Solution

The fourth proportional to 28,190.60, 38,894.26 and 16,252.41 is: 22,423.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190.60 : 38,894.26 = 16,252.41 : x
  2. Step 2: Convert to fraction form
    28,190.60/38,894.26 = 16,252.41/x
  3. Step 3: Cross multiply
    28,190.60x = 38,894.26 × 16,252.41
  4. Step 4: Simplify right side
    28,190.60x = 632,125,460.17
  5. Step 5: Solve for x
    x = 632,125,460.17/28,190.60
  6. Step 6: Final answer
    x = 22,423.27

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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.