Home / 27,118.92-37,392.23-21,737.06

Finding the Fourth Proportional to 27,118.92, 37,392.23 and 21,737.06

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Solution

The fourth proportional to 27,118.92, 37,392.23 and 21,737.06 is: 29,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,118.92 : 37,392.23 = 21,737.06 : x
  2. Step 2: Convert to fraction form
    27,118.92/37,392.23 = 21,737.06/x
  3. Step 3: Cross multiply
    27,118.92x = 37,392.23 × 21,737.06
  4. Step 4: Simplify right side
    27,118.92x = 812,796,851.40
  5. Step 5: Solve for x
    x = 812,796,851.40/27,118.92
  6. Step 6: Final answer
    x = 29,971.58

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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.