Home / 28,377.74-39,165.18-17,199.74

Finding the Fourth Proportional to 28,377.74, 39,165.18 and 17,199.74

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Solution

The fourth proportional to 28,377.74, 39,165.18 and 17,199.74 is: 23,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377.74 : 39,165.18 = 17,199.74 : x
  2. Step 2: Convert to fraction form
    28,377.74/39,165.18 = 17,199.74/x
  3. Step 3: Cross multiply
    28,377.74x = 39,165.18 × 17,199.74
  4. Step 4: Simplify right side
    28,377.74x = 673,630,913.05
  5. Step 5: Solve for x
    x = 673,630,913.05/28,377.74
  6. Step 6: Final answer
    x = 23,738.00

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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.