Home / 27,340.54-37,728.87-15,406.27

Finding the Fourth Proportional to 27,340.54, 37,728.87 and 15,406.27

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Solution

The fourth proportional to 27,340.54, 37,728.87 and 15,406.27 is: 21,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,340.54 : 37,728.87 = 15,406.27 : x
  2. Step 2: Convert to fraction form
    27,340.54/37,728.87 = 15,406.27/x
  3. Step 3: Cross multiply
    27,340.54x = 37,728.87 × 15,406.27
  4. Step 4: Simplify right side
    27,340.54x = 581,261,158.01
  5. Step 5: Solve for x
    x = 581,261,158.01/27,340.54
  6. Step 6: Final answer
    x = 21,260.05

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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.