Home / 27,238.78-37,589.29-15,301.86

Finding the Fourth Proportional to 27,238.78, 37,589.29 and 15,301.86

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Solution

The fourth proportional to 27,238.78, 37,589.29 and 15,301.86 is: 21,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,238.78 : 37,589.29 = 15,301.86 : x
  2. Step 2: Convert to fraction form
    27,238.78/37,589.29 = 15,301.86/x
  3. Step 3: Cross multiply
    27,238.78x = 37,589.29 × 15,301.86
  4. Step 4: Simplify right side
    27,238.78x = 575,186,256.20
  5. Step 5: Solve for x
    x = 575,186,256.20/27,238.78
  6. Step 6: Final answer
    x = 21,116.44

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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.