Home / 27,318.10-37,700.85-15,220.48

Finding the Fourth Proportional to 27,318.10, 37,700.85 and 15,220.48

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Solution

The fourth proportional to 27,318.10, 37,700.85 and 15,220.48 is: 21,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.10 : 37,700.85 = 15,220.48 : x
  2. Step 2: Convert to fraction form
    27,318.10/37,700.85 = 15,220.48/x
  3. Step 3: Cross multiply
    27,318.10x = 37,700.85 × 15,220.48
  4. Step 4: Simplify right side
    27,318.10x = 573,825,033.41
  5. Step 5: Solve for x
    x = 573,825,033.41/27,318.10
  6. Step 6: Final answer
    x = 21,005.31

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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.