Home / 16,128.80-24,055.28-14,167.36

Finding the Fourth Proportional to 16,128.80, 24,055.28 and 14,167.36

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Solution

The fourth proportional to 16,128.80, 24,055.28 and 14,167.36 is: 21,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.80 : 24,055.28 = 14,167.36 : x
  2. Step 2: Convert to fraction form
    16,128.80/24,055.28 = 14,167.36/x
  3. Step 3: Cross multiply
    16,128.80x = 24,055.28 × 14,167.36
  4. Step 4: Simplify right side
    16,128.80x = 340,799,811.66
  5. Step 5: Solve for x
    x = 340,799,811.66/16,128.80
  6. Step 6: Final answer
    x = 21,129.89

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.