Home / 27,962.10-38,601.99-21,574.34

Finding the Fourth Proportional to 27,962.10, 38,601.99 and 21,574.34

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Solution

The fourth proportional to 27,962.10, 38,601.99 and 21,574.34 is: 29,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,962.10 : 38,601.99 = 21,574.34 : x
  2. Step 2: Convert to fraction form
    27,962.10/38,601.99 = 21,574.34/x
  3. Step 3: Cross multiply
    27,962.10x = 38,601.99 × 21,574.34
  4. Step 4: Simplify right side
    27,962.10x = 832,812,456.94
  5. Step 5: Solve for x
    x = 832,812,456.94/27,962.10
  6. Step 6: Final answer
    x = 29,783.62

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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.