Home / 28,636.95-42,908.45-27,543.45

Finding the Fourth Proportional to 28,636.95, 42,908.45 and 27,543.45

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Solution

The fourth proportional to 28,636.95, 42,908.45 and 27,543.45 is: 41,269.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636.95 : 42,908.45 = 27,543.45 : x
  2. Step 2: Convert to fraction form
    28,636.95/42,908.45 = 27,543.45/x
  3. Step 3: Cross multiply
    28,636.95x = 42,908.45 × 27,543.45
  4. Step 4: Simplify right side
    28,636.95x = 1,181,846,609.44
  5. Step 5: Solve for x
    x = 1,181,846,609.44/28,636.95
  6. Step 6: Final answer
    x = 41,269.99

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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.