Home / 28,583.82-39,445.65-16,655.22

Finding the Fourth Proportional to 28,583.82, 39,445.65 and 16,655.22

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Solution

The fourth proportional to 28,583.82, 39,445.65 and 16,655.22 is: 22,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,583.82 : 39,445.65 = 16,655.22 : x
  2. Step 2: Convert to fraction form
    28,583.82/39,445.65 = 16,655.22/x
  3. Step 3: Cross multiply
    28,583.82x = 39,445.65 × 16,655.22
  4. Step 4: Simplify right side
    28,583.82x = 656,975,978.79
  5. Step 5: Solve for x
    x = 656,975,978.79/28,583.82
  6. Step 6: Final answer
    x = 22,984.19

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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.