Home / 55,307.30-83,004.15-25,728.80

Finding the Fourth Proportional to 55,307.30, 83,004.15 and 25,728.80

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Solution

The fourth proportional to 55,307.30, 83,004.15 and 25,728.80 is: 38,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,307.30 : 83,004.15 = 25,728.80 : x
  2. Step 2: Convert to fraction form
    55,307.30/83,004.15 = 25,728.80/x
  3. Step 3: Cross multiply
    55,307.30x = 83,004.15 × 25,728.80
  4. Step 4: Simplify right side
    55,307.30x = 2,135,597,174.52
  5. Step 5: Solve for x
    x = 2,135,597,174.52/55,307.30
  6. Step 6: Final answer
    x = 38,613.30

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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.