Home / 32,727.88-45,160.67-18,385.72

Finding the Fourth Proportional to 32,727.88, 45,160.67 and 18,385.72

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Solution

The fourth proportional to 32,727.88, 45,160.67 and 18,385.72 is: 25,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,727.88 : 45,160.67 = 18,385.72 : x
  2. Step 2: Convert to fraction form
    32,727.88/45,160.67 = 18,385.72/x
  3. Step 3: Cross multiply
    32,727.88x = 45,160.67 × 18,385.72
  4. Step 4: Simplify right side
    32,727.88x = 830,311,115.90
  5. Step 5: Solve for x
    x = 830,311,115.90/32,727.88
  6. Step 6: Final answer
    x = 25,370.15

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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.