Home / 27,338.54-37,727.32-15,402.07

Finding the Fourth Proportional to 27,338.54, 37,727.32 and 15,402.07

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Solution

The fourth proportional to 27,338.54, 37,727.32 and 15,402.07 is: 21,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.54 : 37,727.32 = 15,402.07 : x
  2. Step 2: Convert to fraction form
    27,338.54/37,727.32 = 15,402.07/x
  3. Step 3: Cross multiply
    27,338.54x = 37,727.32 × 15,402.07
  4. Step 4: Simplify right side
    27,338.54x = 581,078,823.55
  5. Step 5: Solve for x
    x = 581,078,823.55/27,338.54
  6. Step 6: Final answer
    x = 21,254.93

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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.