Home / 17,601.55-26,420.03-15,613.20

Finding the Fourth Proportional to 17,601.55, 26,420.03 and 15,613.20

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Solution

The fourth proportional to 17,601.55, 26,420.03 and 15,613.20 is: 23,435.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,601.55 : 26,420.03 = 15,613.20 : x
  2. Step 2: Convert to fraction form
    17,601.55/26,420.03 = 15,613.20/x
  3. Step 3: Cross multiply
    17,601.55x = 26,420.03 × 15,613.20
  4. Step 4: Simplify right side
    17,601.55x = 412,501,212.40
  5. Step 5: Solve for x
    x = 412,501,212.40/17,601.55
  6. Step 6: Final answer
    x = 23,435.50

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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.