Home / 27,814.72-38,392.36-15,884.56

Finding the Fourth Proportional to 27,814.72, 38,392.36 and 15,884.56

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Solution

The fourth proportional to 27,814.72, 38,392.36 and 15,884.56 is: 21,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,814.72 : 38,392.36 = 15,884.56 : x
  2. Step 2: Convert to fraction form
    27,814.72/38,392.36 = 15,884.56/x
  3. Step 3: Cross multiply
    27,814.72x = 38,392.36 × 15,884.56
  4. Step 4: Simplify right side
    27,814.72x = 609,845,745.96
  5. Step 5: Solve for x
    x = 609,845,745.96/27,814.72
  6. Step 6: Final answer
    x = 21,925.29

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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.