Home / 25,777.91-38,667.66-12,266.12

Finding the Fourth Proportional to 25,777.91, 38,667.66 and 12,266.12

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Solution

The fourth proportional to 25,777.91, 38,667.66 and 12,266.12 is: 18,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.91 : 38,667.66 = 12,266.12 : x
  2. Step 2: Convert to fraction form
    25,777.91/38,667.66 = 12,266.12/x
  3. Step 3: Cross multiply
    25,777.91x = 38,667.66 × 12,266.12
  4. Step 4: Simplify right side
    25,777.91x = 474,301,964.34
  5. Step 5: Solve for x
    x = 474,301,964.34/25,777.91
  6. Step 6: Final answer
    x = 18,399.55

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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.