Home / 28,189.59-42,232.19-14,133.21

Finding the Fourth Proportional to 28,189.59, 42,232.19 and 14,133.21

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Solution

The fourth proportional to 28,189.59, 42,232.19 and 14,133.21 is: 21,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189.59 : 42,232.19 = 14,133.21 : x
  2. Step 2: Convert to fraction form
    28,189.59/42,232.19 = 14,133.21/x
  3. Step 3: Cross multiply
    28,189.59x = 42,232.19 × 14,133.21
  4. Step 4: Simplify right side
    28,189.59x = 596,876,339.36
  5. Step 5: Solve for x
    x = 596,876,339.36/28,189.59
  6. Step 6: Final answer
    x = 21,173.64

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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.