Home / 26,082.72-39,124.08-12,228.48

Finding the Fourth Proportional to 26,082.72, 39,124.08 and 12,228.48

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Solution

The fourth proportional to 26,082.72, 39,124.08 and 12,228.48 is: 18,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,082.72 : 39,124.08 = 12,228.48 : x
  2. Step 2: Convert to fraction form
    26,082.72/39,124.08 = 12,228.48/x
  3. Step 3: Cross multiply
    26,082.72x = 39,124.08 × 12,228.48
  4. Step 4: Simplify right side
    26,082.72x = 478,428,029.80
  5. Step 5: Solve for x
    x = 478,428,029.80/26,082.72
  6. Step 6: Final answer
    x = 18,342.72

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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.