Home / 38,999.20-58,477.20-16,808.80

Finding the Fourth Proportional to 38,999.20, 58,477.20 and 16,808.80

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Solution

The fourth proportional to 38,999.20, 58,477.20 and 16,808.80 is: 25,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,999.20 : 58,477.20 = 16,808.80 : x
  2. Step 2: Convert to fraction form
    38,999.20/58,477.20 = 16,808.80/x
  3. Step 3: Cross multiply
    38,999.20x = 58,477.20 × 16,808.80
  4. Step 4: Simplify right side
    38,999.20x = 982,931,559.36
  5. Step 5: Solve for x
    x = 982,931,559.36/38,999.20
  6. Step 6: Final answer
    x = 25,203.89

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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.