Home / 28,299.43-39,051.55-16,200.52

Finding the Fourth Proportional to 28,299.43, 39,051.55 and 16,200.52

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Solution

The fourth proportional to 28,299.43, 39,051.55 and 16,200.52 is: 22,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.43 : 39,051.55 = 16,200.52 : x
  2. Step 2: Convert to fraction form
    28,299.43/39,051.55 = 16,200.52/x
  3. Step 3: Cross multiply
    28,299.43x = 39,051.55 × 16,200.52
  4. Step 4: Simplify right side
    28,299.43x = 632,655,559.09
  5. Step 5: Solve for x
    x = 632,655,559.09/28,299.43
  6. Step 6: Final answer
    x = 22,355.77

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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.