Home / 19,005.22-28,511.93-5,679.28

Finding the Fourth Proportional to 19,005.22, 28,511.93 and 5,679.28

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Solution

The fourth proportional to 19,005.22, 28,511.93 and 5,679.28 is: 8,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.22 : 28,511.93 = 5,679.28 : x
  2. Step 2: Convert to fraction form
    19,005.22/28,511.93 = 5,679.28/x
  3. Step 3: Cross multiply
    19,005.22x = 28,511.93 × 5,679.28
  4. Step 4: Simplify right side
    19,005.22x = 161,927,233.81
  5. Step 5: Solve for x
    x = 161,927,233.81/19,005.22
  6. Step 6: Final answer
    x = 8,520.15

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1.5x scale

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.