Home / 32,728.89-45,165.29-18,581.43

Finding the Fourth Proportional to 32,728.89, 45,165.29 and 18,581.43

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Solution

The fourth proportional to 32,728.89, 45,165.29 and 18,581.43 is: 25,642.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,728.89 : 45,165.29 = 18,581.43 : x
  2. Step 2: Convert to fraction form
    32,728.89/45,165.29 = 18,581.43/x
  3. Step 3: Cross multiply
    32,728.89x = 45,165.29 × 18,581.43
  4. Step 4: Simplify right side
    32,728.89x = 839,235,581.66
  5. Step 5: Solve for x
    x = 839,235,581.66/32,728.89
  6. Step 6: Final answer
    x = 25,642.04

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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.