Home / 27,173.81-37,482.59-19,631.22

Finding the Fourth Proportional to 27,173.81, 37,482.59 and 19,631.22

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Solution

The fourth proportional to 27,173.81, 37,482.59 and 19,631.22 is: 27,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.81 : 37,482.59 = 19,631.22 : x
  2. Step 2: Convert to fraction form
    27,173.81/37,482.59 = 19,631.22/x
  3. Step 3: Cross multiply
    27,173.81x = 37,482.59 × 19,631.22
  4. Step 4: Simplify right side
    27,173.81x = 735,828,872.30
  5. Step 5: Solve for x
    x = 735,828,872.30/27,173.81
  6. Step 6: Final answer
    x = 27,078.61

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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.