Home / 29,250.12-40,365.12-15,821.34

Finding the Fourth Proportional to 29,250.12, 40,365.12 and 15,821.34

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Solution

The fourth proportional to 29,250.12, 40,365.12 and 15,821.34 is: 21,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,250.12 : 40,365.12 = 15,821.34 : x
  2. Step 2: Convert to fraction form
    29,250.12/40,365.12 = 15,821.34/x
  3. Step 3: Cross multiply
    29,250.12x = 40,365.12 × 15,821.34
  4. Step 4: Simplify right side
    29,250.12x = 638,630,287.66
  5. Step 5: Solve for x
    x = 638,630,287.66/29,250.12
  6. Step 6: Final answer
    x = 21,833.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.