Home / 17,688.42-26,519.67-15,109.38

Finding the Fourth Proportional to 17,688.42, 26,519.67 and 15,109.38

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Solution

The fourth proportional to 17,688.42, 26,519.67 and 15,109.38 is: 22,653.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.42 : 26,519.67 = 15,109.38 : x
  2. Step 2: Convert to fraction form
    17,688.42/26,519.67 = 15,109.38/x
  3. Step 3: Cross multiply
    17,688.42x = 26,519.67 × 15,109.38
  4. Step 4: Simplify right side
    17,688.42x = 400,695,771.50
  5. Step 5: Solve for x
    x = 400,695,771.50/17,688.42
  6. Step 6: Final answer
    x = 22,653.00

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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.