Home / 28,337.75-42,448.29-16,622.72

Finding the Fourth Proportional to 28,337.75, 42,448.29 and 16,622.72

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Solution

The fourth proportional to 28,337.75, 42,448.29 and 16,622.72 is: 24,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.75 : 42,448.29 = 16,622.72 : x
  2. Step 2: Convert to fraction form
    28,337.75/42,448.29 = 16,622.72/x
  3. Step 3: Cross multiply
    28,337.75x = 42,448.29 × 16,622.72
  4. Step 4: Simplify right side
    28,337.75x = 705,605,923.75
  5. Step 5: Solve for x
    x = 705,605,923.75/28,337.75
  6. Step 6: Final answer
    x = 24,899.86

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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.