Home / 28,366.82-42,550.23-8,645.39

Finding the Fourth Proportional to 28,366.82, 42,550.23 and 8,645.39

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Solution

The fourth proportional to 28,366.82, 42,550.23 and 8,645.39 is: 12,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.82 : 42,550.23 = 8,645.39 : x
  2. Step 2: Convert to fraction form
    28,366.82/42,550.23 = 8,645.39/x
  3. Step 3: Cross multiply
    28,366.82x = 42,550.23 × 8,645.39
  4. Step 4: Simplify right side
    28,366.82x = 367,863,312.17
  5. Step 5: Solve for x
    x = 367,863,312.17/28,366.82
  6. Step 6: Final answer
    x = 12,968.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.