Home / 32,878.56-45,370.08-18,728.80

Finding the Fourth Proportional to 32,878.56, 45,370.08 and 18,728.80

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Solution

The fourth proportional to 32,878.56, 45,370.08 and 18,728.80 is: 25,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,878.56 : 45,370.08 = 18,728.80 : x
  2. Step 2: Convert to fraction form
    32,878.56/45,370.08 = 18,728.80/x
  3. Step 3: Cross multiply
    32,878.56x = 45,370.08 × 18,728.80
  4. Step 4: Simplify right side
    32,878.56x = 849,727,154.30
  5. Step 5: Solve for x
    x = 849,727,154.30/32,878.56
  6. Step 6: Final answer
    x = 25,844.42

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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.