Home / 28,987.97-43,490.25-14,201.21

Finding the Fourth Proportional to 28,987.97, 43,490.25 and 14,201.21

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Solution

The fourth proportional to 28,987.97, 43,490.25 and 14,201.21 is: 21,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987.97 : 43,490.25 = 14,201.21 : x
  2. Step 2: Convert to fraction form
    28,987.97/43,490.25 = 14,201.21/x
  3. Step 3: Cross multiply
    28,987.97x = 43,490.25 × 14,201.21
  4. Step 4: Simplify right side
    28,987.97x = 617,614,281.93
  5. Step 5: Solve for x
    x = 617,614,281.93/28,987.97
  6. Step 6: Final answer
    x = 21,305.89

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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.