Home / 38,384.28-57,571.56-13,423.32

Finding the Fourth Proportional to 38,384.28, 57,571.56 and 13,423.32

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Solution

The fourth proportional to 38,384.28, 57,571.56 and 13,423.32 is: 20,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,384.28 : 57,571.56 = 13,423.32 : x
  2. Step 2: Convert to fraction form
    38,384.28/57,571.56 = 13,423.32/x
  3. Step 3: Cross multiply
    38,384.28x = 57,571.56 × 13,423.32
  4. Step 4: Simplify right side
    38,384.28x = 772,801,472.78
  5. Step 5: Solve for x
    x = 772,801,472.78/38,384.28
  6. Step 6: Final answer
    x = 20,133.28

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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.