Home / 27,135.61-37,449.47-15,201.41

Finding the Fourth Proportional to 27,135.61, 37,449.47 and 15,201.41

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Solution

The fourth proportional to 27,135.61, 37,449.47 and 15,201.41 is: 20,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135.61 : 37,449.47 = 15,201.41 : x
  2. Step 2: Convert to fraction form
    27,135.61/37,449.47 = 15,201.41/x
  3. Step 3: Cross multiply
    27,135.61x = 37,449.47 × 15,201.41
  4. Step 4: Simplify right side
    27,135.61x = 569,284,598.51
  5. Step 5: Solve for x
    x = 569,284,598.51/27,135.61
  6. Step 6: Final answer
    x = 20,979.25

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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.