Home / 27,268.60-37,632.86-15,331.22

Finding the Fourth Proportional to 27,268.60, 37,632.86 and 15,331.22

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Solution

The fourth proportional to 27,268.60, 37,632.86 and 15,331.22 is: 21,158.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,268.60 : 37,632.86 = 15,331.22 : x
  2. Step 2: Convert to fraction form
    27,268.60/37,632.86 = 15,331.22/x
  3. Step 3: Cross multiply
    27,268.60x = 37,632.86 × 15,331.22
  4. Step 4: Simplify right side
    27,268.60x = 576,957,655.89
  5. Step 5: Solve for x
    x = 576,957,655.89/27,268.60
  6. Step 6: Final answer
    x = 21,158.32

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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.