Home / 27,458.60-41,123.10-18,645.80

Finding the Fourth Proportional to 27,458.60, 41,123.10 and 18,645.80

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Solution

The fourth proportional to 27,458.60, 41,123.10 and 18,645.80 is: 27,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.60 : 41,123.10 = 18,645.80 : x
  2. Step 2: Convert to fraction form
    27,458.60/41,123.10 = 18,645.80/x
  3. Step 3: Cross multiply
    27,458.60x = 41,123.10 × 18,645.80
  4. Step 4: Simplify right side
    27,458.60x = 766,773,097.98
  5. Step 5: Solve for x
    x = 766,773,097.98/27,458.60
  6. Step 6: Final answer
    x = 27,924.70

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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.