Home / 27,338.79-37,727.66-15,402.32

Finding the Fourth Proportional to 27,338.79, 37,727.66 and 15,402.32

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Solution

The fourth proportional to 27,338.79, 37,727.66 and 15,402.32 is: 21,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.79 : 37,727.66 = 15,402.32 : x
  2. Step 2: Convert to fraction form
    27,338.79/37,727.66 = 15,402.32/x
  3. Step 3: Cross multiply
    27,338.79x = 37,727.66 × 15,402.32
  4. Step 4: Simplify right side
    27,338.79x = 581,093,342.04
  5. Step 5: Solve for x
    x = 581,093,342.04/27,338.79
  6. Step 6: Final answer
    x = 21,255.27

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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.