Home / 28,216.52-42,314.06-9,236.73

Finding the Fourth Proportional to 28,216.52, 42,314.06 and 9,236.73

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Solution

The fourth proportional to 28,216.52, 42,314.06 and 9,236.73 is: 13,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216.52 : 42,314.06 = 9,236.73 : x
  2. Step 2: Convert to fraction form
    28,216.52/42,314.06 = 9,236.73/x
  3. Step 3: Cross multiply
    28,216.52x = 42,314.06 × 9,236.73
  4. Step 4: Simplify right side
    28,216.52x = 390,843,729.19
  5. Step 5: Solve for x
    x = 390,843,729.19/28,216.52
  6. Step 6: Final answer
    x = 13,851.59

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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.