Home / 28,340.06-42,511.60-8,617.10

Finding the Fourth Proportional to 28,340.06, 42,511.60 and 8,617.10

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Solution

The fourth proportional to 28,340.06, 42,511.60 and 8,617.10 is: 12,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340.06 : 42,511.60 = 8,617.10 : x
  2. Step 2: Convert to fraction form
    28,340.06/42,511.60 = 8,617.10/x
  3. Step 3: Cross multiply
    28,340.06x = 42,511.60 × 8,617.10
  4. Step 4: Simplify right side
    28,340.06x = 366,326,708.36
  5. Step 5: Solve for x
    x = 366,326,708.36/28,340.06
  6. Step 6: Final answer
    x = 12,926.11

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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.