Home / 29,151.65-40,131.99-27,812.63

Finding the Fourth Proportional to 29,151.65, 40,131.99 and 27,812.63

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Solution

The fourth proportional to 29,151.65, 40,131.99 and 27,812.63 is: 38,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,151.65 : 40,131.99 = 27,812.63 : x
  2. Step 2: Convert to fraction form
    29,151.65/40,131.99 = 27,812.63/x
  3. Step 3: Cross multiply
    29,151.65x = 40,131.99 × 27,812.63
  4. Step 4: Simplify right side
    29,151.65x = 1,116,175,988.37
  5. Step 5: Solve for x
    x = 1,116,175,988.37/29,151.65
  6. Step 6: Final answer
    x = 38,288.61

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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.