Home / 28,503.50-39,333.66-16,566.74

Finding the Fourth Proportional to 28,503.50, 39,333.66 and 16,566.74

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Solution

The fourth proportional to 28,503.50, 39,333.66 and 16,566.74 is: 22,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,503.50 : 39,333.66 = 16,566.74 : x
  2. Step 2: Convert to fraction form
    28,503.50/39,333.66 = 16,566.74/x
  3. Step 3: Cross multiply
    28,503.50x = 39,333.66 × 16,566.74
  4. Step 4: Simplify right side
    28,503.50x = 651,630,518.47
  5. Step 5: Solve for x
    x = 651,630,518.47/28,503.50
  6. Step 6: Final answer
    x = 22,861.42

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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.