Home / 28,267.66-42,400.14-9,546.40

Finding the Fourth Proportional to 28,267.66, 42,400.14 and 9,546.40

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Solution

The fourth proportional to 28,267.66, 42,400.14 and 9,546.40 is: 14,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267.66 : 42,400.14 = 9,546.40 : x
  2. Step 2: Convert to fraction form
    28,267.66/42,400.14 = 9,546.40/x
  3. Step 3: Cross multiply
    28,267.66x = 42,400.14 × 9,546.40
  4. Step 4: Simplify right side
    28,267.66x = 404,768,696.50
  5. Step 5: Solve for x
    x = 404,768,696.50/28,267.66
  6. Step 6: Final answer
    x = 14,319.14

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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.