Home / 19,745.92-29,492.78-17,868.90

Finding the Fourth Proportional to 19,745.92, 29,492.78 and 17,868.90

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Solution

The fourth proportional to 19,745.92, 29,492.78 and 17,868.90 is: 26,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.92 : 29,492.78 = 17,868.90 : x
  2. Step 2: Convert to fraction form
    19,745.92/29,492.78 = 17,868.90/x
  3. Step 3: Cross multiply
    19,745.92x = 29,492.78 × 17,868.90
  4. Step 4: Simplify right side
    19,745.92x = 527,003,536.54
  5. Step 5: Solve for x
    x = 527,003,536.54/19,745.92
  6. Step 6: Final answer
    x = 26,689.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.