Home / 28,093.60-38,776.62-16,158.28

Finding the Fourth Proportional to 28,093.60, 38,776.62 and 16,158.28

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Solution

The fourth proportional to 28,093.60, 38,776.62 and 16,158.28 is: 22,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.60 : 38,776.62 = 16,158.28 : x
  2. Step 2: Convert to fraction form
    28,093.60/38,776.62 = 16,158.28/x
  3. Step 3: Cross multiply
    28,093.60x = 38,776.62 × 16,158.28
  4. Step 4: Simplify right side
    28,093.60x = 626,563,483.41
  5. Step 5: Solve for x
    x = 626,563,483.41/28,093.60
  6. Step 6: Final answer
    x = 22,302.71

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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.