Home / 27,621.68-38,132.04-18,716.24

Finding the Fourth Proportional to 27,621.68, 38,132.04 and 18,716.24

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Solution

The fourth proportional to 27,621.68, 38,132.04 and 18,716.24 is: 25,837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.68 : 38,132.04 = 18,716.24 : x
  2. Step 2: Convert to fraction form
    27,621.68/38,132.04 = 18,716.24/x
  3. Step 3: Cross multiply
    27,621.68x = 38,132.04 × 18,716.24
  4. Step 4: Simplify right side
    27,621.68x = 713,688,412.33
  5. Step 5: Solve for x
    x = 713,688,412.33/27,621.68
  6. Step 6: Final answer
    x = 25,837.98

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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.