Home / 27,384.80-37,790.19-15,285.62

Finding the Fourth Proportional to 27,384.80, 37,790.19 and 15,285.62

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Solution

The fourth proportional to 27,384.80, 37,790.19 and 15,285.62 is: 21,093.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,384.80 : 37,790.19 = 15,285.62 : x
  2. Step 2: Convert to fraction form
    27,384.80/37,790.19 = 15,285.62/x
  3. Step 3: Cross multiply
    27,384.80x = 37,790.19 × 15,285.62
  4. Step 4: Simplify right side
    27,384.80x = 577,646,295.12
  5. Step 5: Solve for x
    x = 577,646,295.12/27,384.80
  6. Step 6: Final answer
    x = 21,093.69

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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.