Home / 23,208.44-32,015.99-15,645.20

Finding the Fourth Proportional to 23,208.44, 32,015.99 and 15,645.20

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Solution

The fourth proportional to 23,208.44, 32,015.99 and 15,645.20 is: 21,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,208.44 : 32,015.99 = 15,645.20 : x
  2. Step 2: Convert to fraction form
    23,208.44/32,015.99 = 15,645.20/x
  3. Step 3: Cross multiply
    23,208.44x = 32,015.99 × 15,645.20
  4. Step 4: Simplify right side
    23,208.44x = 500,896,445.78
  5. Step 5: Solve for x
    x = 500,896,445.78/23,208.44
  6. Step 6: Final answer
    x = 21,582.52

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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.