Home / 22,005.52-32,969.88-18,331.36

Finding the Fourth Proportional to 22,005.52, 32,969.88 and 18,331.36

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Solution

The fourth proportional to 22,005.52, 32,969.88 and 18,331.36 is: 27,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.52 : 32,969.88 = 18,331.36 : x
  2. Step 2: Convert to fraction form
    22,005.52/32,969.88 = 18,331.36/x
  3. Step 3: Cross multiply
    22,005.52x = 32,969.88 × 18,331.36
  4. Step 4: Simplify right side
    22,005.52x = 604,382,739.44
  5. Step 5: Solve for x
    x = 604,382,739.44/22,005.52
  6. Step 6: Final answer
    x = 27,465.05

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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.