Home / 27,867.14-38,453.04-15,931.26

Finding the Fourth Proportional to 27,867.14, 38,453.04 and 15,931.26

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Solution

The fourth proportional to 27,867.14, 38,453.04 and 15,931.26 is: 21,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.14 : 38,453.04 = 15,931.26 : x
  2. Step 2: Convert to fraction form
    27,867.14/38,453.04 = 15,931.26/x
  3. Step 3: Cross multiply
    27,867.14x = 38,453.04 × 15,931.26
  4. Step 4: Simplify right side
    27,867.14x = 612,605,378.03
  5. Step 5: Solve for x
    x = 612,605,378.03/27,867.14
  6. Step 6: Final answer
    x = 21,983.07

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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.