Home / 27,989.29-38,624.47-15,242.22

Finding the Fourth Proportional to 27,989.29, 38,624.47 and 15,242.22

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Solution

The fourth proportional to 27,989.29, 38,624.47 and 15,242.22 is: 21,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989.29 : 38,624.47 = 15,242.22 : x
  2. Step 2: Convert to fraction form
    27,989.29/38,624.47 = 15,242.22/x
  3. Step 3: Cross multiply
    27,989.29x = 38,624.47 × 15,242.22
  4. Step 4: Simplify right side
    27,989.29x = 588,722,631.02
  5. Step 5: Solve for x
    x = 588,722,631.02/27,989.29
  6. Step 6: Final answer
    x = 21,033.86

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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.