Home / 28,187.56-42,272.90-17,673.56

Finding the Fourth Proportional to 28,187.56, 42,272.90 and 17,673.56

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Solution

The fourth proportional to 28,187.56, 42,272.90 and 17,673.56 is: 26,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187.56 : 42,272.90 = 17,673.56 : x
  2. Step 2: Convert to fraction form
    28,187.56/42,272.90 = 17,673.56/x
  3. Step 3: Cross multiply
    28,187.56x = 42,272.90 × 17,673.56
  4. Step 4: Simplify right side
    28,187.56x = 747,112,634.52
  5. Step 5: Solve for x
    x = 747,112,634.52/28,187.56
  6. Step 6: Final answer
    x = 26,505.05

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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.