Home / 27,359.08-37,754.40-15,424.87

Finding the Fourth Proportional to 27,359.08, 37,754.40 and 15,424.87

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Solution

The fourth proportional to 27,359.08, 37,754.40 and 15,424.87 is: 21,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,359.08 : 37,754.40 = 15,424.87 : x
  2. Step 2: Convert to fraction form
    27,359.08/37,754.40 = 15,424.87/x
  3. Step 3: Cross multiply
    27,359.08x = 37,754.40 × 15,424.87
  4. Step 4: Simplify right side
    27,359.08x = 582,356,711.93
  5. Step 5: Solve for x
    x = 582,356,711.93/27,359.08
  6. Step 6: Final answer
    x = 21,285.68

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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.