Home / 27,407.72-37,821.84-15,472.17

Finding the Fourth Proportional to 27,407.72, 37,821.84 and 15,472.17

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Solution

The fourth proportional to 27,407.72, 37,821.84 and 15,472.17 is: 21,351.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,407.72 : 37,821.84 = 15,472.17 : x
  2. Step 2: Convert to fraction form
    27,407.72/37,821.84 = 15,472.17/x
  3. Step 3: Cross multiply
    27,407.72x = 37,821.84 × 15,472.17
  4. Step 4: Simplify right side
    27,407.72x = 585,185,938.19
  5. Step 5: Solve for x
    x = 585,185,938.19/27,407.72
  6. Step 6: Final answer
    x = 21,351.14

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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.