Home / 28,373.70-42,546.30-16,531.38

Finding the Fourth Proportional to 28,373.70, 42,546.30 and 16,531.38

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Solution

The fourth proportional to 28,373.70, 42,546.30 and 16,531.38 is: 24,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,373.70 : 42,546.30 = 16,531.38 : x
  2. Step 2: Convert to fraction form
    28,373.70/42,546.30 = 16,531.38/x
  3. Step 3: Cross multiply
    28,373.70x = 42,546.30 × 16,531.38
  4. Step 4: Simplify right side
    28,373.70x = 703,349,052.89
  5. Step 5: Solve for x
    x = 703,349,052.89/28,373.70
  6. Step 6: Final answer
    x = 24,788.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.