Home / 28,072.04-38,739.12-15,496.52

Finding the Fourth Proportional to 28,072.04, 38,739.12 and 15,496.52

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Solution

The fourth proportional to 28,072.04, 38,739.12 and 15,496.52 is: 21,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.04 : 38,739.12 = 15,496.52 : x
  2. Step 2: Convert to fraction form
    28,072.04/38,739.12 = 15,496.52/x
  3. Step 3: Cross multiply
    28,072.04x = 38,739.12 × 15,496.52
  4. Step 4: Simplify right side
    28,072.04x = 600,321,547.86
  5. Step 5: Solve for x
    x = 600,321,547.86/28,072.04
  6. Step 6: Final answer
    x = 21,385.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.