Home / 27,285.95-37,659.24-20,152.92

Finding the Fourth Proportional to 27,285.95, 37,659.24 and 20,152.92

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Solution

The fourth proportional to 27,285.95, 37,659.24 and 20,152.92 is: 27,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.95 : 37,659.24 = 20,152.92 : x
  2. Step 2: Convert to fraction form
    27,285.95/37,659.24 = 20,152.92/x
  3. Step 3: Cross multiply
    27,285.95x = 37,659.24 × 20,152.92
  4. Step 4: Simplify right side
    27,285.95x = 758,943,650.98
  5. Step 5: Solve for x
    x = 758,943,650.98/27,285.95
  6. Step 6: Final answer
    x = 27,814.45

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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.