Home / 35,939.80-53,928.90-16,221.40

Finding the Fourth Proportional to 35,939.80, 53,928.90 and 16,221.40

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Solution

The fourth proportional to 35,939.80, 53,928.90 and 16,221.40 is: 24,340.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,939.80 : 53,928.90 = 16,221.40 : x
  2. Step 2: Convert to fraction form
    35,939.80/53,928.90 = 16,221.40/x
  3. Step 3: Cross multiply
    35,939.80x = 53,928.90 × 16,221.40
  4. Step 4: Simplify right side
    35,939.80x = 874,802,258.46
  5. Step 5: Solve for x
    x = 874,802,258.46/35,939.80
  6. Step 6: Final answer
    x = 24,340.77

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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.