Home / 27,115.32-37,407.72-18,165.72

Finding the Fourth Proportional to 27,115.32, 37,407.72 and 18,165.72

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Solution

The fourth proportional to 27,115.32, 37,407.72 and 18,165.72 is: 25,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.32 : 37,407.72 = 18,165.72 : x
  2. Step 2: Convert to fraction form
    27,115.32/37,407.72 = 18,165.72/x
  3. Step 3: Cross multiply
    27,115.32x = 37,407.72 × 18,165.72
  4. Step 4: Simplify right side
    27,115.32x = 679,538,167.36
  5. Step 5: Solve for x
    x = 679,538,167.36/27,115.32
  6. Step 6: Final answer
    x = 25,061.04

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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.