Home / 27,837.48-38,416.26-15,261.48

Finding the Fourth Proportional to 27,837.48, 38,416.26 and 15,261.48

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Solution

The fourth proportional to 27,837.48, 38,416.26 and 15,261.48 is: 21,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,837.48 : 38,416.26 = 15,261.48 : x
  2. Step 2: Convert to fraction form
    27,837.48/38,416.26 = 15,261.48/x
  3. Step 3: Cross multiply
    27,837.48x = 38,416.26 × 15,261.48
  4. Step 4: Simplify right side
    27,837.48x = 586,288,983.66
  5. Step 5: Solve for x
    x = 586,288,983.66/27,837.48
  6. Step 6: Final answer
    x = 21,061.14

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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.