Home / 27,339.76-37,728.96-15,406.08

Finding the Fourth Proportional to 27,339.76, 37,728.96 and 15,406.08

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Solution

The fourth proportional to 27,339.76, 37,728.96 and 15,406.08 is: 21,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,339.76 : 37,728.96 = 15,406.08 : x
  2. Step 2: Convert to fraction form
    27,339.76/37,728.96 = 15,406.08/x
  3. Step 3: Cross multiply
    27,339.76x = 37,728.96 × 15,406.08
  4. Step 4: Simplify right side
    27,339.76x = 581,255,376.08
  5. Step 5: Solve for x
    x = 581,255,376.08/27,339.76
  6. Step 6: Final answer
    x = 21,260.44

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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.