Home / 28,076.85-38,749.37-16,140.69

Finding the Fourth Proportional to 28,076.85, 38,749.37 and 16,140.69

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Solution

The fourth proportional to 28,076.85, 38,749.37 and 16,140.69 is: 22,276.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.85 : 38,749.37 = 16,140.69 : x
  2. Step 2: Convert to fraction form
    28,076.85/38,749.37 = 16,140.69/x
  3. Step 3: Cross multiply
    28,076.85x = 38,749.37 × 16,140.69
  4. Step 4: Simplify right side
    28,076.85x = 625,441,488.16
  5. Step 5: Solve for x
    x = 625,441,488.16/28,076.85
  6. Step 6: Final answer
    x = 22,276.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.