Home / 17,288.89-23,808.45-15,019.19

Finding the Fourth Proportional to 17,288.89, 23,808.45 and 15,019.19

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Solution

The fourth proportional to 17,288.89, 23,808.45 and 15,019.19 is: 20,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,288.89 : 23,808.45 = 15,019.19 : x
  2. Step 2: Convert to fraction form
    17,288.89/23,808.45 = 15,019.19/x
  3. Step 3: Cross multiply
    17,288.89x = 23,808.45 × 15,019.19
  4. Step 4: Simplify right side
    17,288.89x = 357,583,634.16
  5. Step 5: Solve for x
    x = 357,583,634.16/17,288.89
  6. Step 6: Final answer
    x = 20,682.86

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1.5x scale

Why These Related Problems?

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