Home / 28,304.50-42,456.87-8,583.23

Finding the Fourth Proportional to 28,304.50, 42,456.87 and 8,583.23

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Solution

The fourth proportional to 28,304.50, 42,456.87 and 8,583.23 is: 12,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,304.50 : 42,456.87 = 8,583.23 : x
  2. Step 2: Convert to fraction form
    28,304.50/42,456.87 = 8,583.23/x
  3. Step 3: Cross multiply
    28,304.50x = 42,456.87 × 8,583.23
  4. Step 4: Simplify right side
    28,304.50x = 364,417,080.29
  5. Step 5: Solve for x
    x = 364,417,080.29/28,304.50
  6. Step 6: Final answer
    x = 12,874.88

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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.