Home / 15,935.72-23,900.34-15,145.34

Finding the Fourth Proportional to 15,935.72, 23,900.34 and 15,145.34

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Solution

The fourth proportional to 15,935.72, 23,900.34 and 15,145.34 is: 22,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,935.72 : 23,900.34 = 15,145.34 : x
  2. Step 2: Convert to fraction form
    15,935.72/23,900.34 = 15,145.34/x
  3. Step 3: Cross multiply
    15,935.72x = 23,900.34 × 15,145.34
  4. Step 4: Simplify right side
    15,935.72x = 361,978,775.42
  5. Step 5: Solve for x
    x = 361,978,775.42/15,935.72
  6. Step 6: Final answer
    x = 22,714.93

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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.