Home / 27,338.67-37,727.49-15,402.19

Finding the Fourth Proportional to 27,338.67, 37,727.49 and 15,402.19

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Solution

The fourth proportional to 27,338.67, 37,727.49 and 15,402.19 is: 21,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.67 : 37,727.49 = 15,402.19 : x
  2. Step 2: Convert to fraction form
    27,338.67/37,727.49 = 15,402.19/x
  3. Step 3: Cross multiply
    27,338.67x = 37,727.49 × 15,402.19
  4. Step 4: Simplify right side
    27,338.67x = 581,085,969.20
  5. Step 5: Solve for x
    x = 581,085,969.20/27,338.67
  6. Step 6: Final answer
    x = 21,255.10

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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.