Home / 19,061.22-28,580.26-8,529.28

Finding the Fourth Proportional to 19,061.22, 28,580.26 and 8,529.28

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Solution

The fourth proportional to 19,061.22, 28,580.26 and 8,529.28 is: 12,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,061.22 : 28,580.26 = 8,529.28 : x
  2. Step 2: Convert to fraction form
    19,061.22/28,580.26 = 8,529.28/x
  3. Step 3: Cross multiply
    19,061.22x = 28,580.26 × 8,529.28
  4. Step 4: Simplify right side
    19,061.22x = 243,769,040.01
  5. Step 5: Solve for x
    x = 243,769,040.01/19,061.22
  6. Step 6: Final answer
    x = 12,788.74

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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.