Home / 28,414.03-39,211.50-16,484.40

Finding the Fourth Proportional to 28,414.03, 39,211.50 and 16,484.40

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Solution

The fourth proportional to 28,414.03, 39,211.50 and 16,484.40 is: 22,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.03 : 39,211.50 = 16,484.40 : x
  2. Step 2: Convert to fraction form
    28,414.03/39,211.50 = 16,484.40/x
  3. Step 3: Cross multiply
    28,414.03x = 39,211.50 × 16,484.40
  4. Step 4: Simplify right side
    28,414.03x = 646,378,050.60
  5. Step 5: Solve for x
    x = 646,378,050.60/28,414.03
  6. Step 6: Final answer
    x = 22,748.55

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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.