Home / 28,492.39-39,327.12-16,394.23

Finding the Fourth Proportional to 28,492.39, 39,327.12 and 16,394.23

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Solution

The fourth proportional to 28,492.39, 39,327.12 and 16,394.23 is: 22,628.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,492.39 : 39,327.12 = 16,394.23 : x
  2. Step 2: Convert to fraction form
    28,492.39/39,327.12 = 16,394.23/x
  3. Step 3: Cross multiply
    28,492.39x = 39,327.12 × 16,394.23
  4. Step 4: Simplify right side
    28,492.39x = 644,737,899.68
  5. Step 5: Solve for x
    x = 644,737,899.68/28,492.39
  6. Step 6: Final answer
    x = 22,628.42

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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.