Home / 39,369.88-54,316.87-27,428.86

Finding the Fourth Proportional to 39,369.88, 54,316.87 and 27,428.86

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Solution

The fourth proportional to 39,369.88, 54,316.87 and 27,428.86 is: 37,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,369.88 : 54,316.87 = 27,428.86 : x
  2. Step 2: Convert to fraction form
    39,369.88/54,316.87 = 27,428.86/x
  3. Step 3: Cross multiply
    39,369.88x = 54,316.87 × 27,428.86
  4. Step 4: Simplify right side
    39,369.88x = 1,489,849,822.87
  5. Step 5: Solve for x
    x = 1,489,849,822.87/39,369.88
  6. Step 6: Final answer
    x = 37,842.38

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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.