Home / 28,369.26-42,560.70-8,646.60

Finding the Fourth Proportional to 28,369.26, 42,560.70 and 8,646.60

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Solution

The fourth proportional to 28,369.26, 42,560.70 and 8,646.60 is: 12,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369.26 : 42,560.70 = 8,646.60 : x
  2. Step 2: Convert to fraction form
    28,369.26/42,560.70 = 8,646.60/x
  3. Step 3: Cross multiply
    28,369.26x = 42,560.70 × 8,646.60
  4. Step 4: Simplify right side
    28,369.26x = 368,005,348.62
  5. Step 5: Solve for x
    x = 368,005,348.62/28,369.26
  6. Step 6: Final answer
    x = 12,971.98

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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.