Home / 27,188.15-37,517.70-15,089.28

Finding the Fourth Proportional to 27,188.15, 37,517.70 and 15,089.28

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Solution

The fourth proportional to 27,188.15, 37,517.70 and 15,089.28 is: 20,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.15 : 37,517.70 = 15,089.28 : x
  2. Step 2: Convert to fraction form
    27,188.15/37,517.70 = 15,089.28/x
  3. Step 3: Cross multiply
    27,188.15x = 37,517.70 × 15,089.28
  4. Step 4: Simplify right side
    27,188.15x = 566,115,080.26
  5. Step 5: Solve for x
    x = 566,115,080.26/27,188.15
  6. Step 6: Final answer
    x = 20,822.13

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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.