Home / 27,875.68-38,469.36-15,301.12

Finding the Fourth Proportional to 27,875.68, 38,469.36 and 15,301.12

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Solution

The fourth proportional to 27,875.68, 38,469.36 and 15,301.12 is: 21,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.68 : 38,469.36 = 15,301.12 : x
  2. Step 2: Convert to fraction form
    27,875.68/38,469.36 = 15,301.12/x
  3. Step 3: Cross multiply
    27,875.68x = 38,469.36 × 15,301.12
  4. Step 4: Simplify right side
    27,875.68x = 588,624,293.68
  5. Step 5: Solve for x
    x = 588,624,293.68/27,875.68
  6. Step 6: Final answer
    x = 21,116.05

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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.