Home / 28,500.90-39,333.68-16,563.47

Finding the Fourth Proportional to 28,500.90, 39,333.68 and 16,563.47

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Solution

The fourth proportional to 28,500.90, 39,333.68 and 16,563.47 is: 22,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500.90 : 39,333.68 = 16,563.47 : x
  2. Step 2: Convert to fraction form
    28,500.90/39,333.68 = 16,563.47/x
  3. Step 3: Cross multiply
    28,500.90x = 39,333.68 × 16,563.47
  4. Step 4: Simplify right side
    28,500.90x = 651,501,949.18
  5. Step 5: Solve for x
    x = 651,501,949.18/28,500.90
  6. Step 6: Final answer
    x = 22,859.00

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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.