Home / 28,671.49-43,013.38-9,952.12

Finding the Fourth Proportional to 28,671.49, 43,013.38 and 9,952.12

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Solution

The fourth proportional to 28,671.49, 43,013.38 and 9,952.12 is: 14,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671.49 : 43,013.38 = 9,952.12 : x
  2. Step 2: Convert to fraction form
    28,671.49/43,013.38 = 9,952.12/x
  3. Step 3: Cross multiply
    28,671.49x = 43,013.38 × 9,952.12
  4. Step 4: Simplify right side
    28,671.49x = 428,074,319.37
  5. Step 5: Solve for x
    x = 428,074,319.37/28,671.49
  6. Step 6: Final answer
    x = 14,930.31

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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.