Home / 28,369.26-42,560.72-8,646.62

Finding the Fourth Proportional to 28,369.26, 42,560.72 and 8,646.62

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Solution

The fourth proportional to 28,369.26, 42,560.72 and 8,646.62 is: 12,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369.26 : 42,560.72 = 8,646.62 : x
  2. Step 2: Convert to fraction form
    28,369.26/42,560.72 = 8,646.62/x
  3. Step 3: Cross multiply
    28,369.26x = 42,560.72 × 8,646.62
  4. Step 4: Simplify right side
    28,369.26x = 368,006,116.73
  5. Step 5: Solve for x
    x = 368,006,116.73/28,369.26
  6. Step 6: Final answer
    x = 12,972.00

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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.