Home / 27,339.96-37,728.27-15,402.59

Finding the Fourth Proportional to 27,339.96, 37,728.27 and 15,402.59

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Solution

The fourth proportional to 27,339.96, 37,728.27 and 15,402.59 is: 21,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,339.96 : 37,728.27 = 15,402.59 : x
  2. Step 2: Convert to fraction form
    27,339.96/37,728.27 = 15,402.59/x
  3. Step 3: Cross multiply
    27,339.96x = 37,728.27 × 15,402.59
  4. Step 4: Simplify right side
    27,339.96x = 581,113,074.22
  5. Step 5: Solve for x
    x = 581,113,074.22/27,339.96
  6. Step 6: Final answer
    x = 21,255.08

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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.