Home / 28,380.66-42,534.42-26,609.16

Finding the Fourth Proportional to 28,380.66, 42,534.42 and 26,609.16

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Solution

The fourth proportional to 28,380.66, 42,534.42 and 26,609.16 is: 39,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,380.66 : 42,534.42 = 26,609.16 : x
  2. Step 2: Convert to fraction form
    28,380.66/42,534.42 = 26,609.16/x
  3. Step 3: Cross multiply
    28,380.66x = 42,534.42 × 26,609.16
  4. Step 4: Simplify right side
    28,380.66x = 1,131,805,187.29
  5. Step 5: Solve for x
    x = 1,131,805,187.29/28,380.66
  6. Step 6: Final answer
    x = 39,879.45

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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.