Home / 27,854.79-38,452.64-18,902.67

Finding the Fourth Proportional to 27,854.79, 38,452.64 and 18,902.67

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Solution

The fourth proportional to 27,854.79, 38,452.64 and 18,902.67 is: 26,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,854.79 : 38,452.64 = 18,902.67 : x
  2. Step 2: Convert to fraction form
    27,854.79/38,452.64 = 18,902.67/x
  3. Step 3: Cross multiply
    27,854.79x = 38,452.64 × 18,902.67
  4. Step 4: Simplify right side
    27,854.79x = 726,857,470.04
  5. Step 5: Solve for x
    x = 726,857,470.04/27,854.79
  6. Step 6: Final answer
    x = 26,094.52

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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.