Home / 28,176.37-42,261.19-7,401.49

Finding the Fourth Proportional to 28,176.37, 42,261.19 and 7,401.49

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Solution

The fourth proportional to 28,176.37, 42,261.19 and 7,401.49 is: 11,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.37 : 42,261.19 = 7,401.49 : x
  2. Step 2: Convert to fraction form
    28,176.37/42,261.19 = 7,401.49/x
  3. Step 3: Cross multiply
    28,176.37x = 42,261.19 × 7,401.49
  4. Step 4: Simplify right side
    28,176.37x = 312,795,775.17
  5. Step 5: Solve for x
    x = 312,795,775.17/28,176.37
  6. Step 6: Final answer
    x = 11,101.35

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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.