Home / 28,316.59-42,474.69-9,609.80

Finding the Fourth Proportional to 28,316.59, 42,474.69 and 9,609.80

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Solution

The fourth proportional to 28,316.59, 42,474.69 and 9,609.80 is: 14,414.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,316.59 : 42,474.69 = 9,609.80 : x
  2. Step 2: Convert to fraction form
    28,316.59/42,474.69 = 9,609.80/x
  3. Step 3: Cross multiply
    28,316.59x = 42,474.69 × 9,609.80
  4. Step 4: Simplify right side
    28,316.59x = 408,173,127.24
  5. Step 5: Solve for x
    x = 408,173,127.24/28,316.59
  6. Step 6: Final answer
    x = 14,414.63

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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.