Home / 19,745.28-27,271.10-14,391.59

Finding the Fourth Proportional to 19,745.28, 27,271.10 and 14,391.59

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Solution

The fourth proportional to 19,745.28, 27,271.10 and 14,391.59 is: 19,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.28 : 27,271.10 = 14,391.59 : x
  2. Step 2: Convert to fraction form
    19,745.28/27,271.10 = 14,391.59/x
  3. Step 3: Cross multiply
    19,745.28x = 27,271.10 × 14,391.59
  4. Step 4: Simplify right side
    19,745.28x = 392,474,389.67
  5. Step 5: Solve for x
    x = 392,474,389.67/19,745.28
  6. Step 6: Final answer
    x = 19,876.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.