Home / 27,854.60-38,425.03-18,293.11

Finding the Fourth Proportional to 27,854.60, 38,425.03 and 18,293.11

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Solution

The fourth proportional to 27,854.60, 38,425.03 and 18,293.11 is: 25,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,854.60 : 38,425.03 = 18,293.11 : x
  2. Step 2: Convert to fraction form
    27,854.60/38,425.03 = 18,293.11/x
  3. Step 3: Cross multiply
    27,854.60x = 38,425.03 × 18,293.11
  4. Step 4: Simplify right side
    27,854.60x = 702,913,158.75
  5. Step 5: Solve for x
    x = 702,913,158.75/27,854.60
  6. Step 6: Final answer
    x = 25,235.09

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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.