Home / 27,089.18-37,382.22-15,152.72

Finding the Fourth Proportional to 27,089.18, 37,382.22 and 15,152.72

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Solution

The fourth proportional to 27,089.18, 37,382.22 and 15,152.72 is: 20,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.18 : 37,382.22 = 15,152.72 : x
  2. Step 2: Convert to fraction form
    27,089.18/37,382.22 = 15,152.72/x
  3. Step 3: Cross multiply
    27,089.18x = 37,382.22 × 15,152.72
  4. Step 4: Simplify right side
    27,089.18x = 566,442,312.64
  5. Step 5: Solve for x
    x = 566,442,312.64/27,089.18
  6. Step 6: Final answer
    x = 20,910.28

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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.