Home / 21,330.84-31,994.10-5,750.04

Finding the Fourth Proportional to 21,330.84, 31,994.10 and 5,750.04

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Solution

The fourth proportional to 21,330.84, 31,994.10 and 5,750.04 is: 8,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330.84 : 31,994.10 = 5,750.04 : x
  2. Step 2: Convert to fraction form
    21,330.84/31,994.10 = 5,750.04/x
  3. Step 3: Cross multiply
    21,330.84x = 31,994.10 × 5,750.04
  4. Step 4: Simplify right side
    21,330.84x = 183,967,354.76
  5. Step 5: Solve for x
    x = 183,967,354.76/21,330.84
  6. Step 6: Final answer
    x = 8,624.48

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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.