Home / 21,050.18-29,025.68-17,209.84

Finding the Fourth Proportional to 21,050.18, 29,025.68 and 17,209.84

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Solution

The fourth proportional to 21,050.18, 29,025.68 and 17,209.84 is: 23,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.18 : 29,025.68 = 17,209.84 : x
  2. Step 2: Convert to fraction form
    21,050.18/29,025.68 = 17,209.84/x
  3. Step 3: Cross multiply
    21,050.18x = 29,025.68 × 17,209.84
  4. Step 4: Simplify right side
    21,050.18x = 499,527,279.15
  5. Step 5: Solve for x
    x = 499,527,279.15/21,050.18
  6. Step 6: Final answer
    x = 23,730.31

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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.