Home / 26,548.80-39,816.18-9,015

Finding the Fourth Proportional to 26,548.80, 39,816.18 and 9,015

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Solution

The fourth proportional to 26,548.80, 39,816.18 and 9,015 is: 13,520.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,548.80 : 39,816.18 = 9,015 : x
  2. Step 2: Convert to fraction form
    26,548.80/39,816.18 = 9,015/x
  3. Step 3: Cross multiply
    26,548.80x = 39,816.18 × 9,015
  4. Step 4: Simplify right side
    26,548.80x = 358,942,862.70
  5. Step 5: Solve for x
    x = 358,942,862.70/26,548.80
  6. Step 6: Final answer
    x = 13,520.12

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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.