Home / 27,919.09-38,528.40-15,982.93

Finding the Fourth Proportional to 27,919.09, 38,528.40 and 15,982.93

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Solution

The fourth proportional to 27,919.09, 38,528.40 and 15,982.93 is: 22,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.09 : 38,528.40 = 15,982.93 : x
  2. Step 2: Convert to fraction form
    27,919.09/38,528.40 = 15,982.93/x
  3. Step 3: Cross multiply
    27,919.09x = 38,528.40 × 15,982.93
  4. Step 4: Simplify right side
    27,919.09x = 615,796,720.21
  5. Step 5: Solve for x
    x = 615,796,720.21/27,919.09
  6. Step 6: Final answer
    x = 22,056.48

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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.