Home / 27,386.40-41,026.30-17,998.10

Finding the Fourth Proportional to 27,386.40, 41,026.30 and 17,998.10

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Solution

The fourth proportional to 27,386.40, 41,026.30 and 17,998.10 is: 26,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,386.40 : 41,026.30 = 17,998.10 : x
  2. Step 2: Convert to fraction form
    27,386.40/41,026.30 = 17,998.10/x
  3. Step 3: Cross multiply
    27,386.40x = 41,026.30 × 17,998.10
  4. Step 4: Simplify right side
    27,386.40x = 738,395,353.75
  5. Step 5: Solve for x
    x = 738,395,353.75/27,386.40
  6. Step 6: Final answer
    x = 26,962.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.