Home / 28,749.30-43,112.12-10,986.52

Finding the Fourth Proportional to 28,749.30, 43,112.12 and 10,986.52

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Solution

The fourth proportional to 28,749.30, 43,112.12 and 10,986.52 is: 16,475.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.30 : 43,112.12 = 10,986.52 : x
  2. Step 2: Convert to fraction form
    28,749.30/43,112.12 = 10,986.52/x
  3. Step 3: Cross multiply
    28,749.30x = 43,112.12 × 10,986.52
  4. Step 4: Simplify right side
    28,749.30x = 473,652,168.62
  5. Step 5: Solve for x
    x = 473,652,168.62/28,749.30
  6. Step 6: Final answer
    x = 16,475.26

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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.