Home / 26,613.86-39,922.81-15,521.65

Finding the Fourth Proportional to 26,613.86, 39,922.81 and 15,521.65

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Solution

The fourth proportional to 26,613.86, 39,922.81 and 15,521.65 is: 23,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.86 : 39,922.81 = 15,521.65 : x
  2. Step 2: Convert to fraction form
    26,613.86/39,922.81 = 15,521.65/x
  3. Step 3: Cross multiply
    26,613.86x = 39,922.81 × 15,521.65
  4. Step 4: Simplify right side
    26,613.86x = 619,667,745.23
  5. Step 5: Solve for x
    x = 619,667,745.23/26,613.86
  6. Step 6: Final answer
    x = 23,283.65

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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.