Home / 27,889.60-41,834.40-25,643.20

Finding the Fourth Proportional to 27,889.60, 41,834.40 and 25,643.20

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Solution

The fourth proportional to 27,889.60, 41,834.40 and 25,643.20 is: 38,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889.60 : 41,834.40 = 25,643.20 : x
  2. Step 2: Convert to fraction form
    27,889.60/41,834.40 = 25,643.20/x
  3. Step 3: Cross multiply
    27,889.60x = 41,834.40 × 25,643.20
  4. Step 4: Simplify right side
    27,889.60x = 1,072,767,886.08
  5. Step 5: Solve for x
    x = 1,072,767,886.08/27,889.60
  6. Step 6: Final answer
    x = 38,464.80

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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.