Home / 38,356.20-57,555.90-14,979.60

Finding the Fourth Proportional to 38,356.20, 57,555.90 and 14,979.60

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Solution

The fourth proportional to 38,356.20, 57,555.90 and 14,979.60 is: 22,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,356.20 : 57,555.90 = 14,979.60 : x
  2. Step 2: Convert to fraction form
    38,356.20/57,555.90 = 14,979.60/x
  3. Step 3: Cross multiply
    38,356.20x = 57,555.90 × 14,979.60
  4. Step 4: Simplify right side
    38,356.20x = 862,164,359.64
  5. Step 5: Solve for x
    x = 862,164,359.64/38,356.20
  6. Step 6: Final answer
    x = 22,477.84

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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.