Home / 27,767.75-38,318.54-15,834.92

Finding the Fourth Proportional to 27,767.75, 38,318.54 and 15,834.92

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Solution

The fourth proportional to 27,767.75, 38,318.54 and 15,834.92 is: 21,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,767.75 : 38,318.54 = 15,834.92 : x
  2. Step 2: Convert to fraction form
    27,767.75/38,318.54 = 15,834.92/x
  3. Step 3: Cross multiply
    27,767.75x = 38,318.54 × 15,834.92
  4. Step 4: Simplify right side
    27,767.75x = 606,771,032.04
  5. Step 5: Solve for x
    x = 606,771,032.04/27,767.75
  6. Step 6: Final answer
    x = 21,851.65

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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.