Home / 19,482.21-29,278.59-18,154.22

Finding the Fourth Proportional to 19,482.21, 29,278.59 and 18,154.22

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Solution

The fourth proportional to 19,482.21, 29,278.59 and 18,154.22 is: 27,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482.21 : 29,278.59 = 18,154.22 : x
  2. Step 2: Convert to fraction form
    19,482.21/29,278.59 = 18,154.22/x
  3. Step 3: Cross multiply
    19,482.21x = 29,278.59 × 18,154.22
  4. Step 4: Simplify right side
    19,482.21x = 531,529,817.76
  5. Step 5: Solve for x
    x = 531,529,817.76/19,482.21
  6. Step 6: Final answer
    x = 27,282.83

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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.