Home / 27,877.60-41,816.40-25,631.20

Finding the Fourth Proportional to 27,877.60, 41,816.40 and 25,631.20

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Solution

The fourth proportional to 27,877.60, 41,816.40 and 25,631.20 is: 38,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.60 : 41,816.40 = 25,631.20 : x
  2. Step 2: Convert to fraction form
    27,877.60/41,816.40 = 25,631.20/x
  3. Step 3: Cross multiply
    27,877.60x = 41,816.40 × 25,631.20
  4. Step 4: Simplify right side
    27,877.60x = 1,071,804,511.68
  5. Step 5: Solve for x
    x = 1,071,804,511.68/27,877.60
  6. Step 6: Final answer
    x = 38,446.80

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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.