Home / 22,423.60-30,910.76-18,437.80

Finding the Fourth Proportional to 22,423.60, 30,910.76 and 18,437.80

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Solution

The fourth proportional to 22,423.60, 30,910.76 and 18,437.80 is: 25,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.60 : 30,910.76 = 18,437.80 : x
  2. Step 2: Convert to fraction form
    22,423.60/30,910.76 = 18,437.80/x
  3. Step 3: Cross multiply
    22,423.60x = 30,910.76 × 18,437.80
  4. Step 4: Simplify right side
    22,423.60x = 569,926,410.73
  5. Step 5: Solve for x
    x = 569,926,410.73/22,423.60
  6. Step 6: Final answer
    x = 25,416.37

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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.