Home / 27,795.66-38,363.81-25,553.99

Finding the Fourth Proportional to 27,795.66, 38,363.81 and 25,553.99

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Solution

The fourth proportional to 27,795.66, 38,363.81 and 25,553.99 is: 35,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.66 : 38,363.81 = 25,553.99 : x
  2. Step 2: Convert to fraction form
    27,795.66/38,363.81 = 25,553.99/x
  3. Step 3: Cross multiply
    27,795.66x = 38,363.81 × 25,553.99
  4. Step 4: Simplify right side
    27,795.66x = 980,348,417.10
  5. Step 5: Solve for x
    x = 980,348,417.10/27,795.66
  6. Step 6: Final answer
    x = 35,269.84

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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.