Home / 22,809.40-34,239.70-17,638.20

Finding the Fourth Proportional to 22,809.40, 34,239.70 and 17,638.20

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Solution

The fourth proportional to 22,809.40, 34,239.70 and 17,638.20 is: 26,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,809.40 : 34,239.70 = 17,638.20 : x
  2. Step 2: Convert to fraction form
    22,809.40/34,239.70 = 17,638.20/x
  3. Step 3: Cross multiply
    22,809.40x = 34,239.70 × 17,638.20
  4. Step 4: Simplify right side
    22,809.40x = 603,926,676.54
  5. Step 5: Solve for x
    x = 603,926,676.54/22,809.40
  6. Step 6: Final answer
    x = 26,477.10

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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.