Home / 27,927-38,539.44-15,352.20

Finding the Fourth Proportional to 27,927, 38,539.44 and 15,352.20

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Solution

The fourth proportional to 27,927, 38,539.44 and 15,352.20 is: 21,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927 : 38,539.44 = 15,352.20 : x
  2. Step 2: Convert to fraction form
    27,927/38,539.44 = 15,352.20/x
  3. Step 3: Cross multiply
    27,927x = 38,539.44 × 15,352.20
  4. Step 4: Simplify right side
    27,927x = 591,665,190.77
  5. Step 5: Solve for x
    x = 591,665,190.77/27,927
  6. Step 6: Final answer
    x = 21,186.13

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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.