Home / 28,548.15-42,832.34-12,751.73

Finding the Fourth Proportional to 28,548.15, 42,832.34 and 12,751.73

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Solution

The fourth proportional to 28,548.15, 42,832.34 and 12,751.73 is: 19,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.15 : 42,832.34 = 12,751.73 : x
  2. Step 2: Convert to fraction form
    28,548.15/42,832.34 = 12,751.73/x
  3. Step 3: Cross multiply
    28,548.15x = 42,832.34 × 12,751.73
  4. Step 4: Simplify right side
    28,548.15x = 546,186,437.20
  5. Step 5: Solve for x
    x = 546,186,437.20/28,548.15
  6. Step 6: Final answer
    x = 19,132.12

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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.