Home / 22,460.48-30,976.80-16,861.76

Finding the Fourth Proportional to 22,460.48, 30,976.80 and 16,861.76

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Solution

The fourth proportional to 22,460.48, 30,976.80 and 16,861.76 is: 23,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,460.48 : 30,976.80 = 16,861.76 : x
  2. Step 2: Convert to fraction form
    22,460.48/30,976.80 = 16,861.76/x
  3. Step 3: Cross multiply
    22,460.48x = 30,976.80 × 16,861.76
  4. Step 4: Simplify right side
    22,460.48x = 522,323,367.17
  5. Step 5: Solve for x
    x = 522,323,367.17/22,460.48
  6. Step 6: Final answer
    x = 23,255.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.