Home / 17,527.80-26,269.94-15,428.28

Finding the Fourth Proportional to 17,527.80, 26,269.94 and 15,428.28

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Solution

The fourth proportional to 17,527.80, 26,269.94 and 15,428.28 is: 23,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,527.80 : 26,269.94 = 15,428.28 : x
  2. Step 2: Convert to fraction form
    17,527.80/26,269.94 = 15,428.28/x
  3. Step 3: Cross multiply
    17,527.80x = 26,269.94 × 15,428.28
  4. Step 4: Simplify right side
    17,527.80x = 405,299,989.90
  5. Step 5: Solve for x
    x = 405,299,989.90/17,527.80
  6. Step 6: Final answer
    x = 23,123.27

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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.