Home / 27,905.48-38,508.50-17,294.88

Finding the Fourth Proportional to 27,905.48, 38,508.50 and 17,294.88

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Solution

The fourth proportional to 27,905.48, 38,508.50 and 17,294.88 is: 23,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.48 : 38,508.50 = 17,294.88 : x
  2. Step 2: Convert to fraction form
    27,905.48/38,508.50 = 17,294.88/x
  3. Step 3: Cross multiply
    27,905.48x = 38,508.50 × 17,294.88
  4. Step 4: Simplify right side
    27,905.48x = 665,999,886.48
  5. Step 5: Solve for x
    x = 665,999,886.48/27,905.48
  6. Step 6: Final answer
    x = 23,866.28

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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.