Home / 20,397.37-28,064.07-16,534.57

Finding the Fourth Proportional to 20,397.37, 28,064.07 and 16,534.57

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Solution

The fourth proportional to 20,397.37, 28,064.07 and 16,534.57 is: 22,749.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.37 : 28,064.07 = 16,534.57 : x
  2. Step 2: Convert to fraction form
    20,397.37/28,064.07 = 16,534.57/x
  3. Step 3: Cross multiply
    20,397.37x = 28,064.07 × 16,534.57
  4. Step 4: Simplify right side
    20,397.37x = 464,027,329.90
  5. Step 5: Solve for x
    x = 464,027,329.90/20,397.37
  6. Step 6: Final answer
    x = 22,749.37

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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.