Home / 19,021.60-28,529.70-5,875.30

Finding the Fourth Proportional to 19,021.60, 28,529.70 and 5,875.30

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Solution

The fourth proportional to 19,021.60, 28,529.70 and 5,875.30 is: 8,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.60 : 28,529.70 = 5,875.30 : x
  2. Step 2: Convert to fraction form
    19,021.60/28,529.70 = 5,875.30/x
  3. Step 3: Cross multiply
    19,021.60x = 28,529.70 × 5,875.30
  4. Step 4: Simplify right side
    19,021.60x = 167,620,546.41
  5. Step 5: Solve for x
    x = 167,620,546.41/19,021.60
  6. Step 6: Final answer
    x = 8,812.12

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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.