Home / 28,450.90-39,255.96-16,507.32

Finding the Fourth Proportional to 28,450.90, 39,255.96 and 16,507.32

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Solution

The fourth proportional to 28,450.90, 39,255.96 and 16,507.32 is: 22,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.90 : 39,255.96 = 16,507.32 : x
  2. Step 2: Convert to fraction form
    28,450.90/39,255.96 = 16,507.32/x
  3. Step 3: Cross multiply
    28,450.90x = 39,255.96 × 16,507.32
  4. Step 4: Simplify right side
    28,450.90x = 648,010,693.63
  5. Step 5: Solve for x
    x = 648,010,693.63/28,450.90
  6. Step 6: Final answer
    x = 22,776.46

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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.