Home / 27,109.49-37,411.74-15,172.65

Finding the Fourth Proportional to 27,109.49, 37,411.74 and 15,172.65

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Solution

The fourth proportional to 27,109.49, 37,411.74 and 15,172.65 is: 20,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.49 : 37,411.74 = 15,172.65 : x
  2. Step 2: Convert to fraction form
    27,109.49/37,411.74 = 15,172.65/x
  3. Step 3: Cross multiply
    27,109.49x = 37,411.74 × 15,172.65
  4. Step 4: Simplify right side
    27,109.49x = 567,635,236.91
  5. Step 5: Solve for x
    x = 567,635,236.91/27,109.49
  6. Step 6: Final answer
    x = 20,938.62

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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.