Home / 20,177.32-30,243.56-15,230.92

Finding the Fourth Proportional to 20,177.32, 30,243.56 and 15,230.92

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Solution

The fourth proportional to 20,177.32, 30,243.56 and 15,230.92 is: 22,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.32 : 30,243.56 = 15,230.92 : x
  2. Step 2: Convert to fraction form
    20,177.32/30,243.56 = 15,230.92/x
  3. Step 3: Cross multiply
    20,177.32x = 30,243.56 × 15,230.92
  4. Step 4: Simplify right side
    20,177.32x = 460,637,242.88
  5. Step 5: Solve for x
    x = 460,637,242.88/20,177.32
  6. Step 6: Final answer
    x = 22,829.46

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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.