Home / 27,875.60-41,813.40-25,629.20

Finding the Fourth Proportional to 27,875.60, 41,813.40 and 25,629.20

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Solution

The fourth proportional to 27,875.60, 41,813.40 and 25,629.20 is: 38,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.60 : 41,813.40 = 25,629.20 : x
  2. Step 2: Convert to fraction form
    27,875.60/41,813.40 = 25,629.20/x
  3. Step 3: Cross multiply
    27,875.60x = 41,813.40 × 25,629.20
  4. Step 4: Simplify right side
    27,875.60x = 1,071,643,991.28
  5. Step 5: Solve for x
    x = 1,071,643,991.28/27,875.60
  6. Step 6: Final answer
    x = 38,443.80

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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.