Home / 22,430.28-33,646.35-8,388.90

Finding the Fourth Proportional to 22,430.28, 33,646.35 and 8,388.90

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Solution

The fourth proportional to 22,430.28, 33,646.35 and 8,388.90 is: 12,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.28 : 33,646.35 = 8,388.90 : x
  2. Step 2: Convert to fraction form
    22,430.28/33,646.35 = 8,388.90/x
  3. Step 3: Cross multiply
    22,430.28x = 33,646.35 × 8,388.90
  4. Step 4: Simplify right side
    22,430.28x = 282,255,865.52
  5. Step 5: Solve for x
    x = 282,255,865.52/22,430.28
  6. Step 6: Final answer
    x = 12,583.70

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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.