Home / 52,278.03-72,144.36-28,405.13

Finding the Fourth Proportional to 52,278.03, 72,144.36 and 28,405.13

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Solution

The fourth proportional to 52,278.03, 72,144.36 and 28,405.13 is: 39,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278.03 : 72,144.36 = 28,405.13 : x
  2. Step 2: Convert to fraction form
    52,278.03/72,144.36 = 28,405.13/x
  3. Step 3: Cross multiply
    52,278.03x = 72,144.36 × 28,405.13
  4. Step 4: Simplify right side
    52,278.03x = 2,049,269,563.85
  5. Step 5: Solve for x
    x = 2,049,269,563.85/52,278.03
  6. Step 6: Final answer
    x = 39,199.44

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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.