Home / 26,405.72-39,596.20-15,315.56

Finding the Fourth Proportional to 26,405.72, 39,596.20 and 15,315.56

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Solution

The fourth proportional to 26,405.72, 39,596.20 and 15,315.56 is: 22,966.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.72 : 39,596.20 = 15,315.56 : x
  2. Step 2: Convert to fraction form
    26,405.72/39,596.20 = 15,315.56/x
  3. Step 3: Cross multiply
    26,405.72x = 39,596.20 × 15,315.56
  4. Step 4: Simplify right side
    26,405.72x = 606,437,976.87
  5. Step 5: Solve for x
    x = 606,437,976.87/26,405.72
  6. Step 6: Final answer
    x = 22,966.16

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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.