Home / 27,331.70-37,721.32-15,397.34

Finding the Fourth Proportional to 27,331.70, 37,721.32 and 15,397.34

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Solution

The fourth proportional to 27,331.70, 37,721.32 and 15,397.34 is: 21,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.70 : 37,721.32 = 15,397.34 : x
  2. Step 2: Convert to fraction form
    27,331.70/37,721.32 = 15,397.34/x
  3. Step 3: Cross multiply
    27,331.70x = 37,721.32 × 15,397.34
  4. Step 4: Simplify right side
    27,331.70x = 580,807,989.29
  5. Step 5: Solve for x
    x = 580,807,989.29/27,331.70
  6. Step 6: Final answer
    x = 21,250.34

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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.