Home / 28,060.80-42,047.46-13,266.96

Finding the Fourth Proportional to 28,060.80, 42,047.46 and 13,266.96

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Solution

The fourth proportional to 28,060.80, 42,047.46 and 13,266.96 is: 19,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.80 : 42,047.46 = 13,266.96 : x
  2. Step 2: Convert to fraction form
    28,060.80/42,047.46 = 13,266.96/x
  3. Step 3: Cross multiply
    28,060.80x = 42,047.46 × 13,266.96
  4. Step 4: Simplify right side
    28,060.80x = 557,841,969.92
  5. Step 5: Solve for x
    x = 557,841,969.92/28,060.80
  6. Step 6: Final answer
    x = 19,879.76

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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.