Home / 28,987.35-43,415.01-17,276.37

Finding the Fourth Proportional to 28,987.35, 43,415.01 and 17,276.37

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Solution

The fourth proportional to 28,987.35, 43,415.01 and 17,276.37 is: 25,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987.35 : 43,415.01 = 17,276.37 : x
  2. Step 2: Convert to fraction form
    28,987.35/43,415.01 = 17,276.37/x
  3. Step 3: Cross multiply
    28,987.35x = 43,415.01 × 17,276.37
  4. Step 4: Simplify right side
    28,987.35x = 750,053,776.31
  5. Step 5: Solve for x
    x = 750,053,776.31/28,987.35
  6. Step 6: Final answer
    x = 25,875.21

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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.