Home / 27,553.50-38,027.03-15,457.32

Finding the Fourth Proportional to 27,553.50, 38,027.03 and 15,457.32

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Solution

The fourth proportional to 27,553.50, 38,027.03 and 15,457.32 is: 21,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.50 : 38,027.03 = 15,457.32 : x
  2. Step 2: Convert to fraction form
    27,553.50/38,027.03 = 15,457.32/x
  3. Step 3: Cross multiply
    27,553.50x = 38,027.03 × 15,457.32
  4. Step 4: Simplify right side
    27,553.50x = 587,795,894.07
  5. Step 5: Solve for x
    x = 587,795,894.07/27,553.50
  6. Step 6: Final answer
    x = 21,332.89

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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.