Home / 28,682.72-39,593.45-18,070.37

Finding the Fourth Proportional to 28,682.72, 39,593.45 and 18,070.37

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Solution

The fourth proportional to 28,682.72, 39,593.45 and 18,070.37 is: 24,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.72 : 39,593.45 = 18,070.37 : x
  2. Step 2: Convert to fraction form
    28,682.72/39,593.45 = 18,070.37/x
  3. Step 3: Cross multiply
    28,682.72x = 39,593.45 × 18,070.37
  4. Step 4: Simplify right side
    28,682.72x = 715,468,200.72
  5. Step 5: Solve for x
    x = 715,468,200.72/28,682.72
  6. Step 6: Final answer
    x = 24,944.22

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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.