Home / 32,788.36-45,243.66-18,640.90

Finding the Fourth Proportional to 32,788.36, 45,243.66 and 18,640.90

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Solution

The fourth proportional to 32,788.36, 45,243.66 and 18,640.90 is: 25,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,788.36 : 45,243.66 = 18,640.90 : x
  2. Step 2: Convert to fraction form
    32,788.36/45,243.66 = 18,640.90/x
  3. Step 3: Cross multiply
    32,788.36x = 45,243.66 × 18,640.90
  4. Step 4: Simplify right side
    32,788.36x = 843,382,541.69
  5. Step 5: Solve for x
    x = 843,382,541.69/32,788.36
  6. Step 6: Final answer
    x = 25,722.01

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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.