Home / 20,150.76-30,090.36-16,460.28

Finding the Fourth Proportional to 20,150.76, 30,090.36 and 16,460.28

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Solution

The fourth proportional to 20,150.76, 30,090.36 and 16,460.28 is: 24,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.76 : 30,090.36 = 16,460.28 : x
  2. Step 2: Convert to fraction form
    20,150.76/30,090.36 = 16,460.28/x
  3. Step 3: Cross multiply
    20,150.76x = 30,090.36 × 16,460.28
  4. Step 4: Simplify right side
    20,150.76x = 495,295,750.90
  5. Step 5: Solve for x
    x = 495,295,750.90/20,150.76
  6. Step 6: Final answer
    x = 24,579.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.