Home / 27,554.60-38,024.94-15,617.72

Finding the Fourth Proportional to 27,554.60, 38,024.94 and 15,617.72

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Solution

The fourth proportional to 27,554.60, 38,024.94 and 15,617.72 is: 21,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,554.60 : 38,024.94 = 15,617.72 : x
  2. Step 2: Convert to fraction form
    27,554.60/38,024.94 = 15,617.72/x
  3. Step 3: Cross multiply
    27,554.60x = 38,024.94 × 15,617.72
  4. Step 4: Simplify right side
    27,554.60x = 593,862,865.94
  5. Step 5: Solve for x
    x = 593,862,865.94/27,554.60
  6. Step 6: Final answer
    x = 21,552.22

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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.