Home / 19,079.76-28,619.28-5,931.84

Finding the Fourth Proportional to 19,079.76, 28,619.28 and 5,931.84

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Solution

The fourth proportional to 19,079.76, 28,619.28 and 5,931.84 is: 8,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.76 : 28,619.28 = 5,931.84 : x
  2. Step 2: Convert to fraction form
    19,079.76/28,619.28 = 5,931.84/x
  3. Step 3: Cross multiply
    19,079.76x = 28,619.28 × 5,931.84
  4. Step 4: Simplify right side
    19,079.76x = 169,764,989.88
  5. Step 5: Solve for x
    x = 169,764,989.88/19,079.76
  6. Step 6: Final answer
    x = 8,897.65

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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.