Home / 20,644.93-30,935.13-15,072.67

Finding the Fourth Proportional to 20,644.93, 30,935.13 and 15,072.67

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Solution

The fourth proportional to 20,644.93, 30,935.13 and 15,072.67 is: 22,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,644.93 : 30,935.13 = 15,072.67 : x
  2. Step 2: Convert to fraction form
    20,644.93/30,935.13 = 15,072.67/x
  3. Step 3: Cross multiply
    20,644.93x = 30,935.13 × 15,072.67
  4. Step 4: Simplify right side
    20,644.93x = 466,275,005.90
  5. Step 5: Solve for x
    x = 466,275,005.90/20,644.93
  6. Step 6: Final answer
    x = 22,585.45

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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.