Home / 17,622.40-26,411.20-8,859.68

Finding the Fourth Proportional to 17,622.40, 26,411.20 and 8,859.68

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Solution

The fourth proportional to 17,622.40, 26,411.20 and 8,859.68 is: 13,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,622.40 : 26,411.20 = 8,859.68 : x
  2. Step 2: Convert to fraction form
    17,622.40/26,411.20 = 8,859.68/x
  3. Step 3: Cross multiply
    17,622.40x = 26,411.20 × 8,859.68
  4. Step 4: Simplify right side
    17,622.40x = 233,994,780.42
  5. Step 5: Solve for x
    x = 233,994,780.42/17,622.40
  6. Step 6: Final answer
    x = 13,278.26

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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.