Home / 28,187.16-42,280.83-9,466.65

Finding the Fourth Proportional to 28,187.16, 42,280.83 and 9,466.65

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Solution

The fourth proportional to 28,187.16, 42,280.83 and 9,466.65 is: 14,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187.16 : 42,280.83 = 9,466.65 : x
  2. Step 2: Convert to fraction form
    28,187.16/42,280.83 = 9,466.65/x
  3. Step 3: Cross multiply
    28,187.16x = 42,280.83 × 9,466.65
  4. Step 4: Simplify right side
    28,187.16x = 400,257,819.32
  5. Step 5: Solve for x
    x = 400,257,819.32/28,187.16
  6. Step 6: Final answer
    x = 14,200.01

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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.