Home / 27,815.60-41,728.87-10,285.58

Finding the Fourth Proportional to 27,815.60, 41,728.87 and 10,285.58

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Solution

The fourth proportional to 27,815.60, 41,728.87 and 10,285.58 is: 15,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.60 : 41,728.87 = 10,285.58 : x
  2. Step 2: Convert to fraction form
    27,815.60/41,728.87 = 10,285.58/x
  3. Step 3: Cross multiply
    27,815.60x = 41,728.87 × 10,285.58
  4. Step 4: Simplify right side
    27,815.60x = 429,205,747.87
  5. Step 5: Solve for x
    x = 429,205,747.87/27,815.60
  6. Step 6: Final answer
    x = 15,430.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.