Home / 28,262.88-42,362.10-11,601.54

Finding the Fourth Proportional to 28,262.88, 42,362.10 and 11,601.54

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Solution

The fourth proportional to 28,262.88, 42,362.10 and 11,601.54 is: 17,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.88 : 42,362.10 = 11,601.54 : x
  2. Step 2: Convert to fraction form
    28,262.88/42,362.10 = 11,601.54/x
  3. Step 3: Cross multiply
    28,262.88x = 42,362.10 × 11,601.54
  4. Step 4: Simplify right side
    28,262.88x = 491,465,597.63
  5. Step 5: Solve for x
    x = 491,465,597.63/28,262.88
  6. Step 6: Final answer
    x = 17,389.08

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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.