Home / 38,828.40-58,204.20-15,423.60

Finding the Fourth Proportional to 38,828.40, 58,204.20 and 15,423.60

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Solution

The fourth proportional to 38,828.40, 58,204.20 and 15,423.60 is: 23,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,828.40 : 58,204.20 = 15,423.60 : x
  2. Step 2: Convert to fraction form
    38,828.40/58,204.20 = 15,423.60/x
  3. Step 3: Cross multiply
    38,828.40x = 58,204.20 × 15,423.60
  4. Step 4: Simplify right side
    38,828.40x = 897,718,299.12
  5. Step 5: Solve for x
    x = 897,718,299.12/38,828.40
  6. Step 6: Final answer
    x = 23,120.15

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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.