Home / 21,798.04-32,678.70-10,119.64

Finding the Fourth Proportional to 21,798.04, 32,678.70 and 10,119.64

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Solution

The fourth proportional to 21,798.04, 32,678.70 and 10,119.64 is: 15,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,798.04 : 32,678.70 = 10,119.64 : x
  2. Step 2: Convert to fraction form
    21,798.04/32,678.70 = 10,119.64/x
  3. Step 3: Cross multiply
    21,798.04x = 32,678.70 × 10,119.64
  4. Step 4: Simplify right side
    21,798.04x = 330,696,679.67
  5. Step 5: Solve for x
    x = 330,696,679.67/21,798.04
  6. Step 6: Final answer
    x = 15,170.94

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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.