Home / 19,002.20-26,206-15,826.04

Finding the Fourth Proportional to 19,002.20, 26,206 and 15,826.04

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Solution

The fourth proportional to 19,002.20, 26,206 and 15,826.04 is: 21,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.20 : 26,206 = 15,826.04 : x
  2. Step 2: Convert to fraction form
    19,002.20/26,206 = 15,826.04/x
  3. Step 3: Cross multiply
    19,002.20x = 26,206 × 15,826.04
  4. Step 4: Simplify right side
    19,002.20x = 414,737,204.24
  5. Step 5: Solve for x
    x = 414,737,204.24/19,002.20
  6. Step 6: Final answer
    x = 21,825.75

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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.