Home / 25,668.82-38,525.10-15,123.40

Finding the Fourth Proportional to 25,668.82, 38,525.10 and 15,123.40

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Solution

The fourth proportional to 25,668.82, 38,525.10 and 15,123.40 is: 22,697.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.82 : 38,525.10 = 15,123.40 : x
  2. Step 2: Convert to fraction form
    25,668.82/38,525.10 = 15,123.40/x
  3. Step 3: Cross multiply
    25,668.82x = 38,525.10 × 15,123.40
  4. Step 4: Simplify right side
    25,668.82x = 582,630,497.34
  5. Step 5: Solve for x
    x = 582,630,497.34/25,668.82
  6. Step 6: Final answer
    x = 22,697.99

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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.